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

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

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.

This simple experiment serves as an introduction to the greenhouse effect.

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

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

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

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.

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

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

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 fifth grader about the wonders of wind by making and observing this winter wind chime.

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

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.

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!

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.