This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

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.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

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.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

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

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!

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

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.