Putting on Mass: Just how do Trees grow?
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Students articulate an explanation of photosynthesis. They identify problems they have with comprehension of how a plant gains mass. Students describe a historical experiment.
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New Review How Do You Measure the Size of the Universe?
The universe is 90 billion light years in diameter. How do scientists measure something so huge? Space Time explains the process as part of its larger Cosmology playlist. The video addresses the steps to solving the puzzle as well as how...
7 mins 10th - Higher Ed Science CCSS: Adaptable
How Do You Know You Exist?
Consider one of the most fundamental questions of philosophy posed by Rene Descartes in his Meditations on First Philosophy: How do we really know we exist? This animated video is accompanied by multiple-choice assessment questions,...
3 mins 9th - 12th Social Studies & History CCSS: Adaptable
How Do Germs Spread (and Why Do They Make Us Sick)?
Much the chagrin of mothers around the world, germs are everywhere; it's unavoidable. Learn how these microscopic invaders have evolved different ways of spreading from one host to another with this short instructional video.
5 mins 7th - 12th Science CCSS: Adaptable
How Do Tornadoes Form?
Take your students on a storm chasing adventure from the safety of the classroom with this short video on tornadoes. From powerful thunderstorms to swirling twisters, this resource explains the necessary conditions and process involved...
4 mins 6th - 12th Science CCSS: Adaptable
How Do Geckos Defy Gravity?
Geckos are reptilian superheroes, defying gravity to climb walls and hang from ceilings, but where did they get these amazing superpowers? Watch this fun video as it examines the amazingly designed feet of these unique animals and how...
5 mins 6th - 12th Science CCSS: Adaptable
How Do the Lungs Work?
With the thousands of tasks our brain consciously performs on a daily basis, it's amazing that breathing isn't one of them. Learn how human bodies are able to automatically control the exchange of gas that keeps us alive with this short...
3 mins 7th - 12th Science CCSS: Adaptable
How Do Drugs Affect the Brain?
Injection, taking a pill, or inhaling are the three main ways to administer a drug. But how do these drugs affect the brain? Watch a video that explains how neurons use neurotransmitters to communicate to one another in the brain.
5 mins 9th - Higher Ed Science CCSS: Adaptable