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Learners place multiple M&M's in a plate of water to watch what happens as the candies dissolve.

Learners place an M&M candy in water and observe what happens. The sugar-and-color coating dissolves and spreads out in a circular pattern around the M&M.

In this activity, learners add different liquids to water and apply their working definition of “dissolving” to their observations.

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.

In this activity, learners make colored sugar and add it to water, alcohol, and oil to discover some interesting differences in dissolving.

In this introductory activity, learners discover that sugar and food coloring dissolve in water but neither dissolves in oil.