Start your toy engines -- this is going to be a fast and friction-filled race!

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

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.