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Learners see that a carrot slice sinks in fresh water and floats in saltwater.

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

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

In 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.

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

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