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In this activity (12th on the page), learners investigate their ability to discriminate (see) different colors.

In this sunny day activity, learners compare how a cup of water and a cup of tonic water reflect or refract light in the sun.

Investigate the interaction of liquids of different densities and experiment with wave patterns with this hands-on activity.

In this activity (last activity on the page), learners make a model of the eardrum (also called the "tympanic membrane") and see how sound travels through the air.

In this optics activity, learners explore how they can make gelatin stop light, but not stop them from seeing fruit suspended within.

This is a series of three quick science activities to do with a spoon, knife, and fork. In the first two activities, learners use the flatware to explore optics, mirrors, reflection, and distortion.

In this activity, learners construct drums out of everyday containers (like bowls or food containers) and shrink wrap. Learners use a hair dryer to affix and tighten the shrink wrap to the container.

In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.

In this activity (7th activity on the page), learners use their sense of hearing to find a "sound match." Learners shake containers filled with items like dry seeds, sand, beans, etc.

This simple and engaging astronomy activity explains nuclear fusion and how radiation is generated by stars, using marshmallows as a model.

In this activity, learners use gelatin as a lens to investigate the properties of laser light.