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What Causes Tooth Decay
Students conduct an experiment using vinegar and eggshell to demonstrate the effects of acid on calcium (teeth). If possible, students also observe actual teeth and, using mirrors, graph charts of their own mouths.
4 Views 12 Downloads
What Causes Bad Breath?
Onions, garlic, and coffee can all have unfortunate effects on your breath, but what is the real cause of halitosis? Follow along with this video as it investigates how the bacteria that live in our mouths are responsible for these...
4 mins 6th - 12th Science CCSS: Adaptable