Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Help your child plant a "tea garden": a garden made of herbs for making teas.

In this project students experiment with making music using only glasses of water.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

This science fair project idea examines which type of insulation holds in the most heat.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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

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

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

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

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

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

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

This project determines what category of person is most likely to be ticklish.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

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

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.