Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

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

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

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

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

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

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

In this science fair project, students make their own rain gauge to measure rainfall.

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

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

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.

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

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

Make a spring collage with your child to get them outside and those creative juices flowing!

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.

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

Learners hypothesize about and experiment with soil erosion in this hands-on activity.