In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

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

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this project children practice the scientific method while playing with puffy paint.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

This science fair project teaches students about wilting and browning of salad greens.

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

Help your kindergarten science maven explore the water cycle without getting everything wet.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

The objective of this science fair project is to investigate salt water density.

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

Learn all about balance and motion as your child designs a corn maze!

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

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