A Few Quick Updates:
REVIEW SEASON? 📚
All of our review resources in one spot! 
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Dropbox Folder Option for this Page:
5 Important Things to Know About Our Above Dropbox Folder:
1. This view-only (which allows you to download) 📁 dropbox folder contains all free recap handouts from this webpage [still 47 as of August 2024] all in one place. 2. The first PDF in the folder reminds about terms of use and addresses some of the main questions we get regarding our free handouts. 3. This dropbox folder contains free items only. It won't contain items that we sell on TpT - visit here to see all our TpT items. 4. The free recap handouts have official answer keys that we offer on TpT to support our work. We offer them individually or in 🗃️ one mega key bundle. 5. You can still scroll down on this page to see each alphabetized topic where we have more items for each topic on this page. If you've never used our resources before, we highly recommend scrolling down on this page by topic first as the folder will be overwhelming otherwise. 
Overwhelmed by how much stuff we make?
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Terms of Use of Video Handouts/Resources:
Our handouts are designed for classroom use, and you can find our terms of use here! Please note: terms of use prohibit publicly posting answer keys made from our handout content as this is a modification of our published content (and a disservice to other teachers and students using them). We do offer official Amoeba Sisters answer keys (linked on this website to Teachers Pay Teachers- TPT) which also have these same terms.
We allow our images and GIFs to be shared on presentations and social media provided they are not edited and that they are not used for financial gain (i.e. our images or GIFs can't be in/on an item that you sell). Learn more about our terms of use here.
We allow our images and GIFs to be shared on presentations and social media provided they are not edited and that they are not used for financial gain (i.e. our images or GIFs can't be in/on an item that you sell). Learn more about our terms of use here.
General Resources Q&A
I'm searching for a certain topic. How are your resources organized on this page and how do I access them?
Resources on this page are listed by topic in alphabetical order under the purple terms of use box---scroll down just a little bit more.
I want to use the resources you have, but I'm a little overwhelmed. Can you explain the resources you have?
Please see our Amoeba Sisters Resource List.
What is TPT? How do I join? Can my school have a TPT account or use purchase orders? Can I just get one MEGA bundle of everything you have on TpT?
What is TpT?
Teachers Pay Teachers (TpT) allows teacher creators to be able to financially support themselves for their work which allows us to continue our creating! TpT contains all kinds of amazing resources (in all content areas PK-12!) created by many who are, or have been, in the classroom. While we plan to always have free resources available (and, of course, our videos are always free) as this is part of our mission, we greatly appreciate the support from those that purchase items that we offer exclusively on TpT.
So I need a TpT account to purchase items on TpT?
Yes, you need an account so you can access the resource at any time. It is free to make an account on TpT. Here is their general sign-up page for a personal account: www.teacherspayteachers.com/Signup
Can my school make a TpT account? Or use purchase orders?
Check out the new TpT for Schools. This allows schools to purchase items that they need through one place for their teachers, and it works well with school purchase orders. Even if your school doesn't have a TpT for Schools account, it is possible to purchase something on TPT with a school purchase order.
Can I just get one mega bundle of everything you have on TpT?
We've been asked this more frequently now, and we've found a way to do this.
Option 1) We do have a mega TpT bundle for all resources up to a certain date.
Option 2) Contact us and tell us all the items that you would like in a custom bundle.
Teachers Pay Teachers (TpT) allows teacher creators to be able to financially support themselves for their work which allows us to continue our creating! TpT contains all kinds of amazing resources (in all content areas PK-12!) created by many who are, or have been, in the classroom. While we plan to always have free resources available (and, of course, our videos are always free) as this is part of our mission, we greatly appreciate the support from those that purchase items that we offer exclusively on TpT.
So I need a TpT account to purchase items on TpT?
Yes, you need an account so you can access the resource at any time. It is free to make an account on TpT. Here is their general sign-up page for a personal account: www.teacherspayteachers.com/Signup
Can my school make a TpT account? Or use purchase orders?
Check out the new TpT for Schools. This allows schools to purchase items that they need through one place for their teachers, and it works well with school purchase orders. Even if your school doesn't have a TpT for Schools account, it is possible to purchase something on TPT with a school purchase order.
Can I just get one mega bundle of everything you have on TpT?
We've been asked this more frequently now, and we've found a way to do this.
Option 1) We do have a mega TpT bundle for all resources up to a certain date.
Option 2) Contact us and tell us all the items that you would like in a custom bundle.
Do all of your videos have accompanying resources?
No, not all of our videos have an accompanying resource. You can see a listing of our videos with applicable resources here. You can subscribe to our YouTube channel to be notified when we release new videos.
What standards do your videos and resources support?
Our videos and resources are designed to specifically focus on and support biology TEKS (Texas standards), but there is often standard overlap in many locations. Visit our playlist page for a work-in-progress listing of applicable TEKS and NGSS standards that our videos and resources can help support. However, we want to emphasize that our videos and resources cannot be all inclusive of any standard, because we believe a strong lab foundation, student questioning, and discussion in the course is critical to fully addressing science standards. It is our goal that our videos and resources are supplemental to help support the standards that students are mastering.
Your resources are PDFs. What if I want students to be able to digitally annotate on them?
Check out our page on this here on some option for digitally writing on them.
However, if you're looking for virtual resources that work well digitally, we highly encourage our Amoeba Sisters Virtual Checks on PocketLab! They are specifically designed to work virtually.
However, if you're looking for virtual resources that work well digitally, we highly encourage our Amoeba Sisters Virtual Checks on PocketLab! They are specifically designed to work virtually.
I read your suggested use for your handouts. Why do you emphasize that you find the handouts work best when used in-class (as opposed to being used as an out-of-class assignment)?
When these handouts are used in-class (and that can be virtually or in-person) as quick formative checks, you are (1) able to ensure that the responses you receive are from the student that handed it to you, (2) you can assist students for that just-in-time assistance they need, and (3) you can adjust teaching due to reading responses. They can also be built into class discussion.
You mentioned that your intention with designing the videos and handouts is to provide a foundation for student discussion and student creation. Any ideas on student creation in the science classroom?
Yes! Please check out our "Student Creators" page. This is also something that we love to present on! :)
How do you handle typos, clarifications, or errors in your videos or video resources?
We think it's VERY important to bring this up despite not receiving this question yet. We want to make sure to model to students that we all make mistakes, and that it is not only important to fix them---but to grow from them too. We strive to be lifelong learners and to share our learning like this (on Twitter) or this (on Twitter)!
We have run into the occasional typo or grammatical error. Sometimes we will get helpful feedback for a video that we should add a clarification or that something was mispronounced. Textbooks have methods to handle errata, and as edutubers, we have also looked for ways to handle this. Here is some information about how we handle different types of these issues in our videos. Regarding our handouts/resources---if it is a free resource, we can make edits on this page. If it's on TpT, we can update it directly on there. If it is more than a minor typo on TpT, we can send a note to all of the TpT purchasers letting them know why we made an edit.
We have run into the occasional typo or grammatical error. Sometimes we will get helpful feedback for a video that we should add a clarification or that something was mispronounced. Textbooks have methods to handle errata, and as edutubers, we have also looked for ways to handle this. Here is some information about how we handle different types of these issues in our videos. Regarding our handouts/resources---if it is a free resource, we can make edits on this page. If it's on TpT, we can update it directly on there. If it is more than a minor typo on TpT, we can send a note to all of the TpT purchasers letting them know why we made an edit.
I notice you have started to add links to your GIFs or comics as resources. Why would one of your comics or GIFs be useful in a classroom?
We have created so many comics and GIFs now on so many of our video topics, and we think they are so powerful in the classroom. Take our comic here about an enzyme (one of our many enzyme comics). Just think about the power of projecting this on a screen and the questions that could be asked about how this relates to the topic being studied. Or, better yet, asking students to come up with the questions. Questions like: How is this comic relating to our content? What kind of environmental conditions could actually denature an enzyme? If this was reality, would all enzyme "customers" have the same request? These are just some examples, and these opportunities are naturally built into our Unlectured Series! We share our individual comics and GIFs to start up discussions like these, and please feel free to use them---provided you follow our terms of use.
I notice a pretty big difference between your old videos / old resources vs. your newer ones. Will you update some of your old videos and resources?
As creators, we hope to continue to keep getting better, which means we do redo videos as our art and audio improves. Still, we try to avoid deleting old videos or resources, because we want students to see this journey. We think it's important for students to know everyone starts as a beginner! If we redo a video, we usually will place the newer version video link on this page and then still keep a link to the old video too. Old handouts can still be used with new videos as we make sure our new videos still include the previous information. Occasionally, we'll update old video handout graphics, but we have found that seems to cause confusion so we are less likely to alter old handouts.
Our videos are FREE! Subscribing to our channel is also free and would make us the HAPPIEST of amoebas!
Please subscribe to our YouTube channel?
Please subscribe to our YouTube channel?
Reminder: Terms of use prohibit publicly posting answer keys made from our handouts. This is an editing on our copyrighted work (and a disservice to teachers and students using them).
Alphabetical Listing of All of Our Resources
Scrolling alphabetically but not sure if you're looking for the same topic name we are using? Curious about standards our videos can help support?
Check out our playlist page 🗂️ for assistance!
Check out our playlist page 🗂️ for assistance!
Action Potential
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Free Video
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Video ResourceNEW video release, check back soon!
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Alleles and Genes
Free Video
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Free Video Resource
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On TpT | ||
Animals
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Free Video
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Archaea
Free Video
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On TpT
For this video, we offer our annotated video script TEMPLATE. Our template provides space for students to annotate, sketch their learning, identify vocab, and ask their own questions.
Note: We have not created a free handout on this topic. |
Asexual and Sexual Reproduction
Free Video
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Free Video Resource
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On TpT Answer Key to Asexual and Sexual Reproduction recap.
This helps support our creating! | ||
ATP
Free Video
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Free Video Resource
You will find ATP mentioned in many of our comics and GIFs! Find ATP mentioned in our mitochondrion GIF and cell transport GIF on our GIFs page!
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On TpT | ||
Autotrophs and Heterotrophs
Free Video
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Free Video Resources
Check out our vocabulary comic!
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On TpT | ||
Bacteria
Free Video
P.S. This is our updated video version! You can use the handout with this new version or continue to use the old "Bacteria" video here.
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Biological Levels of Organization
Free Video
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Free Video Resources
Also, check out our biological levels of organization GIF on our GIF page! |
On TpT:Answer Key to Biological Levels of Organization recap.
This helps support our creating! On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||
Biomagnification
Free Video
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Biomolecules
UPDATED 2023 Free Video (top)
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Free Video Resources
🧬 ✒️"Biomolecules" is a FREE Demo "Amoeba Sisters Virtual Check" on PocketLab.
Learn more HERE! Also, check out our biomolecules comics and GIFs! Above recap can work with 2016 or 2023 updated video.
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On TpTAnswer Key to Biomolecule recap.
This helps support our creating! 
Topic is part of our Unlectured Series. This can use 2016 video or 2023 updated video!
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Body Systems [Human]
UPDATED 2024 Free Video (top)
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Free Video Resources
Above recap can work with 2016 or 2024 updated video.
Also, check out our body systems comics! |
On TpT:Answer Key to Body Systems recap.
This helps support our creating! 
Topic is part of our Unlectured Series! This can use the 2016 or 2024 updated video!
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||
Carbon and Nitrogen Cycle
Free Video
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Free Video Resources
Also, check out our nitrogen cycle comic! |
On TpTAnswer Key to Carbon and Nitrogen recap.
This helps support our creating! On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||
Cells [Intro to]
Note: Search under "P" for "prokaryotic vs. eukaryotic" topic only or "S" for "specialized cells."
Note: Search under "P" for "prokaryotic vs. eukaryotic" topic only or "S" for "specialized cells."
Free Video
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Free Video Resources
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On TPT:
Topic is part of our Unlectured Series!
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||
Cell Cycle [and cancer]
Free Video
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Free Video ResourceSee our cell cycle GIF!
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On TpT:
Topic is part of our Unlectured Series!
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! |
Cell Membrane [Inside]
Free Video
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Free Video ResourceCheck out our cell membrane comics.
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On TpT:Check out our annotated video script TEMPLATE for this topic. Our template provides space for students to annotate, sketch their learning, identify vocab, and ask their own questions.
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! |
Cell Organelles and Structures Review
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Free Video
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On PocketLab:
🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab!
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Cellular Respiration
Free Video
Note: This is the updated video, but the old video will remain up if you prefer it! Our old handout can be used with this new updated video or old video.
Standards this can support? Visit here. Texas teachers, we list TEKS that can be supported here. |
Free Video Resource:
*Additional Note: Above handout compares two different video clips: cellular respiration and photosynthesis. Check out our cellular respiration vs. photosynthesis GIF as well as comics. |
On TpT:
Topic is part of our Unlectured Series!
On PocketLab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||
Cell Signaling
Free Video
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Free Video ResourceCheck out our ligand comic!
Note: We have not created a free handout on this topic, but we offer a resource for purchase on TpT. |
On TpT:
Check out our annotated video script TEMPLATE for this topic. Our template provides space for students to annotate, sketch their learning, identify vocab, and ask their own questions. On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! |
Cell Transport
Free Video
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Free Video Resource
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On TpT:Answer Key to Cell Transport.
This helps support our creating! 
Topic is part of our Unlectured Series!
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||
Characteristics of Life
Free Video
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On TpT:For this video, we offer our annotated video script TEMPLATE. Our template provides space for students to annotate, sketch their learning, identify vocab, and ask their own questions.
Note: We have not created a free handout on this topic. On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! |
Chromosomes and Karyotypes
Free Video
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Free Video Resource
Check out our karyotype GIF on our GIF page!
Note: We have not created a free handout on this topic, but we offer a resource for purchase on TpT. |
On TpTFor this video, we offer an annotated video script TEMPLATE. Our template provides space for students to annotate, sketch their learning, identify vocab, and ask their own questions.
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Chromosome Numbers
Free Video
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Free Video Resources
We additionally have two helpful GIFs under mitosis and meiosis on our GIF page that show the number of chromosomes during these processes.
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On TpTAnswer Key to Chromosome Numbers recap.
This helps support our creating! | ||
Circulatory System
Free Video
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Cladograms
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Free Video
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Video Resources
Check back soon!
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Classification
Free Video
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Free Video Resources
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On TpT | ||
Codon Charts [How to Read]
Free Video
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Free Video Resource
Note: This is a video companion handout instead of a recap handout. Unlike our regular recap handouts, video companion handouts are designed to be used while students watch the video.
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On TpTAnswer Key to How to Read a Codon Chart Video Companion. This helps support our creating!
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Reminder: Terms of use prohibit publicly posting answer keys made from our handouts. This is an editing on our copyrighted work (and a disservice to teachers and students using them).
Scrolling alphabetically but not sure if you're looking for the same topic name we are using? Curious about standards our videos can help support?
Check out our playlist page for assistance! 🗂️
Check out our playlist page for assistance! 🗂️
Dichotomous Keys
Free Video
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Diffusion
Free Video
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Free Video Resources
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On TpT:Answer Key to Diffusion recap. This helps support our creating!
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||
Digestive System [in Humans]
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Free Video
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Dihybrid (& Two-Trait) Crosses
Free Video
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Free Video Resources
Check out our "foil" GIF which can be helpful for dihybrid crosses! |
On TpTAnswer Key to Dihybrid Crosses recap.
This helps support our creating! | ||
DNA, Chromosomes, Genes, and Traits
Free Video
Note: Video includes all concepts from our old DNA Structure & Function video (which did not have a handout). Entire heredity playlist is here.
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DNA Replication
Free Video
Video has been updated! The script is very similar to the script in the original video, but new version has improved art and audio!
Both videos will remain up! Standards this can support? Visit here. Texas teachers, we list TEKS that can be supported here. |
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DNA vs RNA
Free Video
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Ecological Relationships
Free Video
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Ecological Succession
Free Video
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Ecology REVIEW
Free Video
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On PocketLab
🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab!
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Endocrine System
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Free Video
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On Pocketlab
🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab!
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Endosymbiotic Theory
Free Video
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Free Video Resource
Check out our endosymbiotic theory comic!
Note: We have not created any free handouts on this topic, but we offer a resource for purchase on TpT. |
On TpT:Select Topic Recap and Key: select recap handouts are styled like our free recap handouts, but they tend to cover more detailed/less standard topics. For example, water properties, the endosymbiotic theory, and non-Mendelian inheritance are topics that have select handouts (with accompanying keys). This supports our work!
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! |
Enzymes
Free Video
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*This covers an advanced topic including feedback inhibition and different type of inhibitors.
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On TpT:NEW: We offer a Quick Easel on this resource! Be sure to see the preview video so you can see all the activity slides it includes.
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! |
Epigenetics
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Free Video
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On TpT
For this video, we offer an annotated video script TEMPLATE. Our template provides space for students to annotate, sketch their learning, identify vocab, and ask their own questions.Coming soon!
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Evolution
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Free Video
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On PocketLab:
🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab!
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Excretory System and the Nephron
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Free video
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On TpT
Select Topic Recap and Key: select recap handouts are styled like our free recap handouts, but they tend to cover more detailed/less standard topics. For example, water properties, the endosymbiotic theory, and non-Mendelian inheritance are topics that have select handouts (with accompanying keys). This supports our work!
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Fermentation
Free Video
*This covers an advanced topic of how cells can still produce ATP even when oxygen is limited.
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Free Video Resource
Check out our fermentation comics!
Note: We have not created any free handouts on fermentation, but we offer a resource for purchase on TpT. |
On TpT
Select Topic Recap and Key: select recap handouts are styled like our free recap handouts, but they tend to cover more detailed/less standard topics. For example, water properties, the endosymbiotic theory, and non-Mendelian inheritance are topics that have select handouts (with accompanying keys). This supports our work!
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Food Chains / Webs / Energy Pyramids
Free Video
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Gel Electrophoresis
Free Video
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Free Video Resource
Check out our related comics and gel electrophoresis GIF!
Note: We have not created a free handout on this topic, but we offer a resource for purchase on TpT. |
On TpT
Select topic recap and key: select recap handouts are styled just like our regular free recap handouts, but they tend to cover more detailed/less standard topics. For example, water properties, the endosymbiotic theory, and non-Mendelian inheritance are topics that have select handouts (with accompanying keys). This supports our work!
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Gene Expression and Regulation
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Free Video
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On PocketLab:
🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab!
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Gene Regulation (focusing on operon)
Free Video
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Genetic Drift
Free Video
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Free Video Resource
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On TpT
Topic is part of our Unlectured Series!
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Genetic Engineering
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Free Video
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On PocketLab:
🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab!
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GENETICS REVIEW
Free Video
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On PocketLab:
🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! On TpT:Mega Genetics Review Video Companion on TPT here! This companion handout follows our "Mega Genetics Review" video.
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Reminder: Terms of use prohibit publicly posting answer keys made from our handouts. This is an editing on our copyrighted work (and a disservice to teachers and students using them).
Scrolling alphabetically but not sure if you're looking for the same topic name we are using? Curious about standards our videos can help support?
Check out our playlist page for assistance! 🗂️
Check out our playlist page for assistance! 🗂️
Hardy-Weinberg Equilibrium
Free Video
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Free Video Resources
We also have a Hardy-Weinberg assumptions graphic and two Hardy-Weinberg GIFs!
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On TpT
Answer Key to Hardy-Weinberg Equilibrium recap.
This helps support our creating! | ||
Homeostasis and Feedback
Free Video
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Immune System
Free Video
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Free Video Resources
Check out our immune system related comics here! Don't forget to click "previous" at the bottom left as it only shows 3 comics at a time.
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On TpT
Topic is part of our Unlectured Series!
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Incomplete Dominance, Codominance, Polygenic Inheritance, Epistasis [Non-Mendelian]
Free Video
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Integumentary System
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Free Video
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On TpT
For this video, we offer our annotated video script TEMPLATE. Our template provides space for students to annotate, sketch their learning, identify vocab, and ask their own questions.
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Lymphatic System
Free Video
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Resource:Check back soon!
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Meiosis
Free Video
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Menstrual Cycle Walkthrough
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Free Video:
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Resources:
2025 released video - check back soon!
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Microscopes
Free Video
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Free Video Resource
Check out our microscope comic!
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On TpTAnswer key to microscopes recap. This helps support our creating!
On Pocketlab:
🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||
Mitosis
Free Video
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Free Video Resource
Check out our cell division comics (don't forget to hit 'previous' under the bottom comic to see them all) and our mitosis GIFs! |
On TpT:
Topic is part of our Unlectured Series!
We also have a YouTube Short video (under 60 seconds) called "Amoeba Sisters Mitosis Poem" and NEW Feb 2023: there is a TpT Easel based on that Short.
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||
Mitosis vs Meiosis
Free Video
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Monohybrid Crosses
Free Video
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Multiple Alleles (focusing on ABO Blood Types)
Free Video
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Muscle Tissue and Sliding Filament Model
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Free Video
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On TpT
Select handout and key: select recap handouts are styled just like our regular free recap handouts, but they tend to cover more detailed/less standard topics. For example, water properties, the endosymbiotic theory, and non-Mendelian inheritance are topics that have select handouts (with accompanying keys). This supports our work!
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Mutations
Free Video
This video has been updated!
[Prefer the old video? It will remain up!] Standards this can support? Visit here. Texas teachers, we list TEKS that can be supported here. |
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Natural Selection
Free Video
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Nature of Science
Free Video
P.S. The above video is a intro to science video. Science helps develop scientific theories and laws. But we know many students have the misconception that "scientific theories turn into laws with enough evidence" or that a scientific theory is "just a theory." We have a separate video that can help with these misconceptions- scroll down under the topic "theories."
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Free Video Resources
Check out our Nature of Science related illustrations, including this infocomic mentioning experimental design vocab. |
On TpT:On Our Redbubble Store:
We license some of our art in our Redbubble store. By request, we made a poster version on Redbubble of our casual vs. scientific use of the word "theory" comic.
On PocketLab:
🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab!
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Nervous System
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FREE VIDEO
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Free Video Resources
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On TpT
Answer Key to Nervous System recap.
This helps support our creating! | ||
Reminder: Terms of use prohibit publicly posting answer keys made from our handouts. This is an editing on our copyrighted work (and a disservice to teachers and students using them).
Scrolling alphabetically but not sure if you're looking for the same topic name we are using? Curious about standards our videos can help support?
Check out our playlist page for assistance! 🗂️
Check out our playlist page for assistance! 🗂️
Osmosis
Free Video
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PCR
Free Video
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Pedigrees
Free Video
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Photosynthesis
Free Video
Note: This is the updated video, but the old video will remain up if you prefer it! Our old handout can be used with this new updated video or old video.
Standards this can support? Visit here. Texas teachers, we list TEKS that can be supported here. |
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Plant Reproduction (in Angiosperms)
Free Video
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Plant Structure and Adaptations
Free Video
This video was recently updated! Still prefer the old (original) video? It's here.
Standards this can support? Visit here. Texas teachers, we list TEKS that can be supported here. |
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Prokaryotic vs. Eukaryotic Cells
Free Video
Note: These concepts are already covered in our "Cells" video and resources- but this shorter video isolates prokaryotic vs. eukaryotic cells.
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Properties of Water
Free Video
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Free Video Resources
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On TpT:Select topic recap and key: select recap handouts are styled just like our regular free recap handouts, but they tend to cover more detailed/less standard topics. For example, water properties, the endosymbiotic theory, and non-Mendelian inheritance are topics that have select handouts (with accompanying keys).
Topic is part of our Unlectured Series!
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! |
Protein Structure and Folding
Free Video
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Free Video Resource |
On TpT:For this video, we offer our annotated video script TEMPLATE. Our template provides space for students to annotate, sketch their learning, identify vocab, and ask their own questions.
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! |
Protein Synthesis
Free Video
P.S. Did you know we made a short video on how to read a codon chart? To find it, look under the topic on this page "Codon Charts." :)
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Free Video Resources
NOTE: We don't always update old handouts when we update a video, but we decided to update this handout! It is very similar but with updated drawings and a few extra questions. Updated handout is below, and just like the old handout, it focuses on two videos. The front (1st page) focuses on the DNA vs. RNA video and the back (2nd page) focuses on the protein synthesis video.
prefer old handout? Click to expand.
*Note: Handout covers 2 separate videos. Front (1st page) focuses on DNA vs. RNA video & back (2nd page) on protein synthesis video. Also, the old protein synthesis video still exists if preferred. |
On TpT:Answer Key to DNA vs. RNA and Protein Synthesis recap.
Note: We have updated this to include both keys---one to the original (old) student recap and one to the new (updated) student recap. 
Topic is part of our Unlectured Series!
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||||
Protists and Fungi
Free Video
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Free Video Resource
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On TpT | ||
Respiratory System
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Free Video
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On TpT
For this video, we offer our annotated video script TEMPLATE. Our template provides space for students to annotate, sketch their learning, identify vocab, and ask their own questions.
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REVIEW
Free VideosWe have 2 review videos!
1. Stroll Through the Playlist (a Biology review) video covers many general biology concepts. 
2. Mega Genetics Review covers how to do many different types of Punnett square problems.
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Free Related Resources
Some other free review items we have created in addition to the free videos:
In 2017, we made a discussion topic review with some of our GIFs! In 2018, we made a helpful study tips video here. In 2020, we made a "Describe the Biology with GIFs" slide show! |
On TpT:Stroll Through the Playlist Video Companion on TPT here! This companion handout closely follows our "Stroll Through the Playlist (a Biology Review)" video.
Mega Genetics Review Video Companion on TPT here! This companion handout follows our "Mega Genetics Review" video. See our new TPT Biology Vocabulary Easels (set 1-5)! On Redbubble Website:We license some of our art for our Redbubble store, and we have our study tips poster here.
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Reminder: Terms of use prohibit publicly posting answer keys made from our handouts. This is an editing on our copyrighted work (and a disservice to teachers and students using them).
[General Lab] Safety
Free Video
This can correlate with reviewing safety procedures prior to lab.
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Free Video Resources
Check out our lab safety reminders comic here
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On TpT:
Our Redbubble Website:
We license some of our art for our Redbubble store. See our lab safety posters here. On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||
Sex-Linked Traits
Free Video
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Skeletal System
Free Video
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On PocketLab:
🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab!
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Sodium-Potassium Pump
Free Video
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Free Video ResourcesCheck out our sodium potassium GIF!
The video mentions how the sodium and potassium electrochemical gradients (which the sodium potassium pump helps maintain) can be used by other proteins. Check out our Protein Transporters graphic!
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On TpTFor this video, we offer our annotated video script TEMPLATE. Our template provides space for students to annotate, sketch their learning, identify vocab, and ask their own questions.
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[How Cells Become] Specialized
Free Video
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Free Video Resource
We have a lot of cell comics, but this is one of our favorites involving stem cells. Note: We have not created a free handout on this topic, but we offer a resource for purchase on TpT. |
On TpT:For this video, we offer our annotated video script TEMPLATE. Our template provides space for students to annotate, sketch their learning, identify vocab, and ask their own questions.
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! |
Specialized Cells
Free Video
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Free Video Resource
We have a lot of cell comics, but this is one of our favorites involving cell specialization as well as this infocomic showing specialized cells within the cross section of a leaf.
Note: We have not created a free handout on this topic, but we offer a resource for purchase on TpT. |
On TpT:Select topic recap and key: Select recap handouts are styled just like our regular free recap handouts, but they tend to cover more detailed/less standard topics. For example, water properties, the endosymbiotic theory, and non-Mendelian inheritance are topics that have select handouts (with accompanying keys). This supports our work!
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! |
Speciation
Free Video
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Free Video Resource
Check out our reproductive isolation comics!
Note: We have not created a free handout on this topic, but we offer a paid one on TpT. |
On TpT
Select topic recap and key: Select recap handouts are styled just like our regular free recap handouts, but they tend to cover more detailed/less standard topics. For example, water properties, the endosymbiotic theory, and non-Mendelian inheritance are topics that have select handouts (with accompanying keys). This supports our work!
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Theories and Laws
Free Video
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Free Related Resource
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On Pocketlab:
🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! On Redbubble Website:We license some of our art on Redbubble store. We have a related poster here.
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Vaccines
The video details for this video include links for further reading suggestions from several peer-reviewed sources which can help address the many myths that exist about vaccines.
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Free Related ResourceWhile we don't have any handouts on this topic at this time, check out our related illustration!
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Viruses
Free Video
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Free Video Resources
Check out our many virus comics (don't forget to click "previous" at the bottom left of the last comic to see them all!) and our virus replication GIF! didn't you have an old video and handout for this topic?
Yes, here is the link to our old video. The old handout is below. We do not offer a key for this old handout.
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On TpT:
Topic is part of our Unlectured Series!
On Pocketlab: 🧬 ✒️ Amoeba Sisters Virtual Check: Video topic is one of many included w/ an Amoeba Sisters Virtual Check subscription on PocketLab! | ||||
Scrolling alphabetically but not sure if you're looking for the same topic name we are using? Curious about standards our videos can help support?
🗂️ Check out our playlist page for assistance!
P.S. Click above graphic to see our blog post on this topic. While these "absolute statements" do not seem to involve edu videos on YouTube (yet), we believe the effectiveness of edu videos ALSO depends on how they are used so we made a video with some suggestions!
