Science fair project in which you will start a fire from scratch without using matches or a lighter.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

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.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

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

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

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

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

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

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

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

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

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

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.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

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.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

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.

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!