These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

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!

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Find out which kind of bubble wrap fares best when put in impact.

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

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This project examines whether people's taste perception is influenced by what they see.

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

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

In this design challenge, your child will create a parachute for a small toy using typical household items.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This science fair project idea investigates how the shape of an object affects drag.