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

In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater.

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

No glue is needed for learners of any age to become marshmallow architects or engineers.

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

In the kitchen, learners can perform their own density investigation.

In this activity, learners make their own rock candy. Crystals will grow from a piece of string hanging in a cup of sugar water. The edible crystals may take up to a week to form.

In this chemistry demonstration, learners investigate the factors that increase the rate of dissolution for a solid.

In this activity, learners create a "mini sky" in a glass of water in a dark room.

In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water.

In this quick SciGirls activity (page 1 of the PDF under SciGirls Activity: Doghouse Design), learners will be introduced to the concept of thermal conductivity.

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 use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.

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