Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

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.

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.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

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

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

I scream, you scream, we all scream for homemade spearmint ice cream!

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

This second grade arts and crafts activity is all about caterpillars emerging from their cocoons as butterflies.

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

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.