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.

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.

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

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

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.

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.

This science fair project idea investigates how images are influenced by changes in light.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project idea studies the differences in gender perception between people.