The Pathway of Sound
Tenth graders state the physiological purpose for the parts of the outer, middle and inner ear and explain the changes from acoustic to mechanical to electro-chemical energy.
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Peripheral Nervous System
The brain does not feel pain, which is why surgeons can perform brain surgery without anesthesia or while the patient is awake. Pupils see how the peripheral nervous system allows humans to feel pain. The narrator explores the afferent...
10 mins 9th - 12th Science CCSS: Adaptable
Lesson 5-Elaborate/Evaluate Too Loud, Too Close, Too Long
Students begin with an analysis of loudness. They estimate the loudness of common environmental sounds, and then use their knowledge of hearing and loudness to evaluate the risk of noise-induced hearing loss for fictitious individuals....
6th - 10th Science
How Sugar Affects the Brain
Attention, sugar addicts! Here's why you can't quit the habit. Sweet taste receptors send a signal to the brain, which activates a reward system that responds by telling you to eat again. Over activating this reward system results in a...
5 mins 7th - 12th Science CCSS: Adaptable
Could Your Brain Repair Itself?
Is your brain running a little slow? Just reboot it and you'll be good to go. This advice may sound ridiculous, but by watching this video you will learn how through a process called neurogenesis, adult brains are able repair and replace...
4 mins 9th - Higher Ed Science CCSS: Adaptable