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In this activity (4th activity on the page), learners use their sense of smell to rate and arrange containers filled with different dilutions of a scent (like cologne or fruit juice) in order from wea

In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.