This science fair project idea provides evidence that air is everywhere and takes up space.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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.

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

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Making your own glass cleaner is easy, effective and inexpensive!

Here's a pressed leaf card project that puts science and writing together for your second grader.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.