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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

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

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

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

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

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.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

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

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

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.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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