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Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Will the shape of an ice cube impact how fast the ice melts?

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Examine whether males or females are more likely to have a higher center of gravity.

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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

This science fair experiment examines the relationship between gender, age, and smiling.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

This science fair project idea assesses the effect of music on work performance.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.