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

Get a better understanding of water content by dehydrating carrots.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

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

Hunt for natureâs treasure, the many different products made by trees!

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

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

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

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

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

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

This science fair project idea investigates whether air has mass and weight.

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Take a trip to the pet store and then make a scrapbook to help your kindergartener learn the difference between living and non living things!

Help your child make a beautiful homemade sandcastle that will last!

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.