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Activity
American Chemical Society: Best of Wonder Science: Foiling Spoiling [Pdf] Activity
American Chemical Society

American Chemical Society: Best of Wonder Science: Foiling Spoiling [Pdf]

For Students 3rd - 5th
A simple experiment to observe whether adding lemon juice to pieces of potato, apple, and banana helps to preserve them.
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Handout
Science Struck: Uses of Calcium Chloride Handout
Science Struck

Science Struck: Uses of Calcium Chloride

For Students 9th - 10th
Learn about some uses of calcium chloride as a food additive, as a drying agent, for de-icing, in concrete mixes, and for its exothermic properties.
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