Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

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

In this experiment, the weight of aluminum cans will be compared.

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

Test whether plants can grow without sunlight and water.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This experiment tests which gender is better at catching how a magician performs his tricks.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

The goal of this project is to create an exciting topographical map out of dough.

Create a bee garden to help shelter bees in your area.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

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.

In this CD hovercraft science project, students will construct their own DIY hovercraft.