In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project idea compares biodiversity between drops of water.

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea demonstrates that plants give off water.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

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

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea investigates how color affects temperature.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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!

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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.