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Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

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

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

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

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

An home science experiment for older students that teaches about the science behind heat.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This science fair project idea determines the most effective method of preserving food.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Help your child get to know the least-appreciated of the five senses, the sense of smell, with a smelling station.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.