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Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This project researches whether the type of land use affects the water quality of Queenstown Creek.

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

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Time to look at our faces! Are they symmetrical or asymmetrical? Find out in this science fair project idea.

Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!

Discover how and which salt melts ice the quickest.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

This project examines whether more expensive golf balls translate into better results on the golf course.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Examine the effect of pressure on carbonation in soda.

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.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This biodiversity project examines the biodiversity in your own backyard.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.