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In this combination chemistry and physics activity, learners explore water absorption in dried beans or peas and learn how this affects their physical properties.

In this fun chemistry activity (page 3 of the pdf), learners use cabbage juice to determine the pH of several substances.

In this activity, learners explore acid and bases as they create their own invisible ink out of baking soda and grape juice.

In this activity, which requires adult supervision, learners get to explore the awesome power of chemistry.

In this biology activity (page 8 of the PDF), learners will explore how saliva assists in the beginning of the digestive process.

This is a chemistry lab activity about solutions (page 7 of the PDF). Learners see firsthand how chemicals in a solution can combine to form an entirely different substance.

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

In this chemistry experiment, learners get to make a very bizarre substance using corn starch and water. Is it a solid? Is it a liquid? Or is it a different kind of substance entirely?

In this chemistry activity, learners explore chemical reactions and their effects, including the kind of reaction in the human body that makes people burp!

In this chemistry activity (page 1 of the PDF), learners will observe a physical change.

In this environmental science activity (page 4 of the PDF), learners use vinegar and chalk to observe the effect of acid rain on various building materials and plant life.