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In this activity, learners separate the components of Gatorade using a home-made affinity column.

In this hands-on activity, learners investigate the functional design of leaves on a tree.

In this activity, learners observe colors in the flame of a burning candle to explore connections between matter, light, color and temperature -- basic concepts of matter and energy.

In this activity, learners act as the Earth and observe how different angles between the Sun, Earth, and Moon affect the phases of the moon we see each month.

This activity (on page 3 of the PDF under GPS: Cactus Activity) is a full inquiry investigation into how some desert birds keep their cool.

In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.