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In the related activity called "Colors Collide or Combine," learners are intrigued by the apparent "line" that forms where colors from M&M coatings meet but do not mix.

In this four-part activity, learners explore how the body works and the chemistry that happens inside living things.

Learners carefully look at four known household crystals.

In this activity about water solubility and density, learners use critical thinking skills to determine why water can dissolve some things and not others.

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

This lesson focuses on surface area and how the shape of sugar crystals may differ as they are grown from sugars of different coarseness.

In this activity, learners investigate whether having sugar already dissolved in water affects the speed of dissolving and the movement of sugar and color through the water.