Good For You?
Students discuss nutrition and compare nutritional values of a snack product claiming health benefits with a candy product.
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Using Dissolving to Identify an Unknown
There is a solvent called aqua regis that can dissolve gold! After observing a solubility demonstration, groups receive four known crystals and one unknown. Based on the demo, they design an experiment to determine the identity of the...
6th - 8th Science CCSS: Designed
10 Suprising Chemicals Your Body Makes
Your body makes many chemicals that allow the complex systems to operate, but did you know this includes formaldehyde, hydrochloric acid, hydrogen peroxide, and ammonia among others? Find out about 10 chemicals your body makes in a video...
7 mins 9th - 12th Science CCSS: Adaptable
Poison vs. Venom: What's the Difference?
Did you know that poison and venom are not the same? Both are toxic, but poison must be inhaled, ingested, or absorbed, while venom must be injected into a wound. The narrator explains that some toxic compounds may be used for good, as...
4 mins 4th - 12th Science CCSS: Adaptable
What Percentage of Your Brain Do You Use?
Have you heard that humans only use about 10 percent of their brains? Well, don't believe it! After describing the tremendous amount of energy needed to power our 86 billion densely packed neurons, the narrator also explains how our...
5 mins 7th - 12th Science