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This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Do you think heat can affect a plant's growth rate?

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This project determines what category of person is most likely to be ticklish.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Make a backbone model to explore human anatomy and life science.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project idea examines which type of insulation holds in the most heat.

In this fun activity, your child will create their very own solar oven to bake s'mores!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea explores whether talking to a plant will help it grow.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea determines what household items are good conductors of electricity.