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Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

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

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

This science fair project idea investigates whether plants can survive being frozen.

Have your child kick off their summer vacation by making a miniature water slide!

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea explores whether cats can be trained in the same way that dogs can.