Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

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!

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

Help your kindergarten science maven explore the water cycle without getting everything wet.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

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

Learn whether writing things down really makes things easier to remember.

This science fair project idea examines which type of insulation holds in the most heat.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Help your child create a tasty treat that will demonstrate exactly how frogs survive a freezing season.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Find out whether putting something on top of a plant will inhibit its growth.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.