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

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

This experiment observes inattentional blindness and investigates whether certain age groups or genders are more likely to demonstrate this phenomenon.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

This science fair project examines how seeds hitchhike on animals and clothing.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

This science fair project investigates why the number of visible stars changes from place to place.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

This project explores whether similar type movie scenes are accompanied by music with similar characteristics.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

This science fair project idea determines which flower lasts the longest.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Learn the anatomical and physiological differences between central and peripheral visual systems.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!