You Have Nerve!
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Fourth graders investigate the nervous system and how it communicates messages to and from the brain.
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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