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In this activity, learners discover that atoms and ions of different metals will change places.

In two separate bags, learners mix water with Epsom salts and detergent.

In this activity, learners mix ingredients in a plastic bag, and then identify three characteristics of a chemical reaction: production of heat, color change, and production of a gas.

In this activity, learners separate the protein from milk and and use it to make their own glue.