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

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

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.

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

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

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.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Help your child celebrate the summer and the sun by making a sandy seascape.

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.

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!

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

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

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.

Slip some science into storm watching with a homemade rain gauge!

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.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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

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

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

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.

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