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Investigate which substances are most effective at removing salt from water.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Science fair project that determines whether brain size is correlated with intelligence.

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

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

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

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

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

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

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!

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

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Research responsibilities of physicists, and common thinking patterns. Devise a questionnaire that measures career aptitude in physics.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!