How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

The objective of this science project is to determine the length of time for different seeds to germinate.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Make these homemade shell fossils and introduce your child to the wonders of science!

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

This science fair project idea investigates how different disinfectants work in killing germs.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This project is about after-images and what possibly affects them.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

This science fair project idea produces varying pitches of sound.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.