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Invisible Ink
Oregon Museum of Science and IndustryAdd to list DetailsIn this hands-on activity (on page 2 of the PDF), learners experiment with lemon juice and paper to create a message that can only be revealed using chemistry. Using an oven as a heat source ...
Temperature Affects the Solubility of Gases
American Chemical SocietyAdd to list DetailsIn this activity, learners heat and cool carbonated water to find out whether temperature has an effect on how fast the dissolved gas leaves carbonated water. Learners design their own procedure,...
Color Changes with Acids and Bases
American Chemical SocietyAdd to list DetailsLearners mix a variety of substances with red cabbage juice. The juice changes color to indicate whether each substance is an acid or a base. Learners can follow up their study of acids and bases...
Neutralizing Acids and Bases
American Chemical SocietyAdd to list DetailsLearners use their knowledge of color changes with red cabbage indicator to neutralize an acidic solution with a base and then neutralize a basic solution with an acid. Use this as a follow-up...
Egg-stra Strength
COSIAdd to list DetailsIn this physics activity, learners will investigate the strength of egg shells. They will attempt to stack books on top of inverted half egg shells to see how many they can hold, and the results...