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In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

In this activity, learners add squares to paper dominoes to make polyominoes.

In this activity, learners practice drawing 3D structures in two dimensions. Learners draw cube stacks from five different points of view.