This science fair project idea investigates the relationship between memory and age.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

This science project challenges high school students to study the linguistic evolution of text messaging.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science fair project examines whether ocean water can be made safe to drink.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This science fair project idea tests the efficiency of short term memory.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Try this arts and crafts activity with your preschooler: make bread from yeast dough to teach her about the science behind bread baking.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.