In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.