This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

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

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

This experiment explores whether caffeine improves athletic performance.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

This experiment will evaluate how texting and talking on cell phones influence reaction time.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

This project researches whether the type of land use affects the water quality of Queenstown Creek.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

This science fair project idea assesses the effect of music on work performance.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.