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In this activity, learners build models of comets, using edible materials, to learn about comets' structure.

Young learners investigate and observe the properties of three liquids -- water, vegetable oil, and corn syrup. They use their senses to collect data and ask and answer questions.

In this activity on page 6 of the PDF (Chemistry—It’s Elemental), learners explore some of the properties of copper using a few common household ingredients.

In this activity, learners explore sensors and focus specifically on how to measure humidity using a sensor.

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