In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

This science fair project idea explores whether talking to a plant will help it grow.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Check out this cool science fair project on identifying rocks and minerals for kids.

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

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!