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What's In Your Breath?
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In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage.
Strong Bones, Weak Bones
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Most people will break a bone in their body at some point in their life, but how much force does it take to break one?
What Does Spit Do?
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Some animals can swallow food whole, but humans have to chew. In this activity, learners will investigate what saliva does chemically to food before we even swallow.
Runaway Runoff
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When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it.
Dip Dip, Hooray
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Lakes, streams and other freshwater bodies are a habitat for lots of living things, big and small.
Clear Water, Murky Water
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How do scientists measure how clear or murky water in a lake is? How does water clarity (clearness) affect what lives in the lake?