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Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Make a lei and bring a touch of the tropical lifestyle into your home!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

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

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

Help your kindergartener identify and sort eight different kinds of common seeds on this "seed wheel" plate you can use all growing season.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea determines what household items are good conductors of electricity.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

Make a backbone model to explore human anatomy and life science.

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

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

This science fair project idea determines what household items are good conductors of electricity.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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.