Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Demonstrate which cooking method gets rid of the most fat.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Teach your child how butter is created by shaking up cream the old-fashioned way.

This science fair project idea explores whether white light can be separated into different colors.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

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

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

Science fair project that illustrates the properties of black holes in space.

Experiment with the wonders of pressure and condensation by crushing a soda can with nothing but air and water!

Discover which fabrics shrink the most in the wash and why.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Investigate which substances are most effective at removing salt from water.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

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

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

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.