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This activity will take 15 minutes, is for ages 7 to 10 with no supervision needed.
<p></p><p><strong><em><span style="font-size: 18px">* Enzymes</span></em></strong><span style="font-size: 18px"> are important substances made by the cells of plants and animals. </span><span style="font-size: 18px">Enzymes </span><span style="font-size: 18px">can change </span><span style="font-size: 18px">how quickly things happen in our body and control how quickly things happen inside cells.</span></p>
<p></p><p><strong><span style="font-size: 22px">Water, one of the most common molecules in the body, makes up half of your body weight?</span></strong></p>