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This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Does your child know that salt water conducts electricity? This simple experiment will show how salt water acts as a conductor to electrical currents.

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

This science fair project idea explores how length affects the weight a bridge can hold.

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

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

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Demonstrate Newton's laws of motion by examining the relationship between mass, force, and acceleration during free-fall.

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

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

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

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Have your child make a special mobile inspired by the weather outside. Learn about seasons, the environment, and art in 3D.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

An home science experiment for older students that teaches about the science behind heat.

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

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 science fair project idea demonstrates that plants give off water.