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In this outdoor activity, learners review the parts of the synapse and their functions by playing a game.

In this activity, learners capture and observe planaria, which are worms that eat tiny pond critters.

In this activity, learners will explore the ways natural materials can produce sounds. Appropriate for any age, learners can make individual music or create a symphony with others.

In this activity, learners will measure the length of a shadow and use the distance from the equator to calculate the circumference of the earth.

In this activity, learners use a simple 3D model to discover why the Moon has phases.

This fun and simple hands-on astronomy activity demonstrates the shadow of the Earth as it rises as a dark blue shadow above the eastern horizon.

Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.

In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

You may have tried to throw a curveball or a slider, or even a screwball, with an ordinary baseball and found it difficult to do.

In this outdoor activity, learners play a game of Tag to discover how neurons attach themselves to each other to form a chain.

In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

This fun astronomy activity allows learners to experience finding stars in the night sky that will eventually go supernova. This activity is perfect for a star party outdoors.

In this activity, learners construct a home-made journal with simple, everyday materials.

An ordinary camera has a lens that makes an image on film. In a pinhole camera, a small hole replaces the lens.

In this activity, learners use found natural materials to create a water haven for bees and other insects.

In this activity, learners will investigate the part of soil. Explore how clay, silt, and sand make up the dirt in your background. Activity includes step-by-step instructions and extension ideas.

This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon.

In this math activity, learners observe and sketch cracking patterns in pavement.

In this activity, learners make their own pinhole viewer in order to measure the size of the sun.

In this activity, learners model a population of deer and see how the number of deer changes over time.