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Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

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

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

This science fair project idea produces sounds by creating vibrations using different objects.

This science fair project idea designs safe bicycle routes using GPS.

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

Construct and experiment with a periscope using reflected light rays to gather an image.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Show your preschooler how to create a simple windsock using a colorful piece of tissue paper, a pipe cleaner, and yarn.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Evaluate whether people can raise the temperature of their finger using the power of their thoughts.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.

This project involves the programming and development of a 3D Rubik's Cube application using C++.

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

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.