Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Determine whether the relationship between a personâs armspan and height are genetic.

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

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Discover which fabrics shrink the most in the wash and why.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Learn all about balance and motion as your child designs a corn maze!

In this science project, the center of gravity is explored.

This science fair project examines how seeds hitchhike on animals and clothing.

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

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

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

How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

The project investigates how friction affects motion by using different surface textures.

In this experiment you will use plastic and magnets to test your local soil composition.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

This science fair project idea investigates whether air has mass and weight.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

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

This project is about after-images and what possibly affects them.