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.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

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!

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

In this activity, your child will be challenged to make a tower using paper cups.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

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

In this activity your child will create their very own marble maze!

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

Develop your child's mathematical and engineering skills with this fun building brick challenge. In this activity, your learner will be challenged to create a boat out of building bricks.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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

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

Introduce your child to the amazing, almost magical phenomenon of static electricity!

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.