Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

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

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

Word color association is just a fancy way to talk about the way we connect colors with words.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.