Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project idea investigates if fats add to the flavor of food.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science fair project examines how seeds hitchhike on animals and clothing.

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.

Slip some science into storm watching with a homemade rain gauge!

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

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

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!