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Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Science fair project that determines how we can change potential energy into kinetic energy.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Look for correlation between pH values of commercial soaps and detergents and manufacturer claims about eye irritation hazards.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

Science fair project that determines whether mass and weight are the same or different.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

This cool physics demo illustrates the simple harmonic motion of a pendulum while teaching kids the important concepts of potential and kinetic energy.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.