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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 outdoor activity and observation game, learners hunt for a variety of textures, colors, odors and evidence of organisms in the activity site.

In this activity, learners observe mixtures of sand samples glued to note cards, and consider how sand can differ in size, shape, and color, and where it comes from.

In this activity, learners construct their own spectroscope as they explore and observe spectra from familiar light sources.

This activity generates learner excitement about light through the creation of a room-sized rainbow.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

This simple hands-on activity demonstrates why the sky appears blue on a sunny day and red during sunrise and sunset.