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

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

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.

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!

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

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.

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

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