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!

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.

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!

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.

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

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.

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.

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.

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.

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

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This project tests the hypothesis that dark colors absorb more heat than light colors.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

In this project, different brands of microwave popcorn are tested and compared.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science experiment tests if dog saliva can really help heal wounds.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Determine if gender affects the ability to identify different smells.

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

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea determines what household items are good conductors of electricity.