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In this activity, learners model how the Moon's volcanic period reshaped its earlier features.

In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.

In this activity, learners use the Sun's energy to cook marshmallows. Learners construct the solar oven out of simple everyday materials.