Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

This experiment examines if space objects become round after reaching a certain mass.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

In this science fair project, students test how objects float and sink in liquids of different densities.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

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

This experiment will examine and precisely measure the amount of sugar in various sodas.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This classic children's game demonstrates how sound travels through air vs. through a solid.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

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

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

Science fair project that examines the relationship between the size of a bubble and how quickly it falls. What is the correlation?

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

This conservation of energy demonstration shows why the first hill is the highest on a roller coaster. Learn more about potential and kinetic energy!

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

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