The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

This easy at-home experiment is a great way to "see" science.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.