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In this activity, learners will simulate the processes of the water cycle at home in a plastic sandwich bag.

In this easy chemistry activity, learners submerge pennies in different liquids (water, lemon juice, vinegar, liquid hand soap, salt water, and baking soda mixed with water) to observe which best clea

In this activity, learners create a biosphere in a baggie.

In this chemistry activity (page 3 of the PDF), learners will learn about crystals by growing their very own.

In this activity, learners build a model of a self-sustaining habitat (growing grass and beans from seeds).