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In this activity, learners test the pH of safe liquids available at home by creating a pH indicator from mashed blueberries.

In this sensory activity, young learners explore chemical reactions by making their own play dough from home.

In this activity, learners will use simple materials to explore centripetal force and variables by swinging a cup of water without having the water spill out.

Experiment with liquids of different densities and create liquid layers. For example, oil and water have different densities: oil floats on water because it is less dense than water.

The Sacred Cenote at Chichén Itzá is a sink hole, or well, containing groundwater. In this activity, learners create their own cenote using chalk, limestone, acids, and rain water.