What Causes Tooth Decay
Students investigate tooth decay. In this tooth decay lesson, students determine the causes of tooth decay. Students inspect the different parts of a normal tooth and determine proper dental hygiene habits that inhibit tooth decay.
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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