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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.

Where rainwater goes after the rain stops? And why there are rivers and lakes in some parts of the land but not in others?

In this activity, learners explore a bucket of sand and beach objects.

Many germs spread by our hands, and often times, people don't wash their hands well enough to get rid of germs.