This simple experiment serves as an introduction to the greenhouse effect.

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

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

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.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Use pepper and soap to discover some fun facts about the properties of water.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

Plants and light seem to be good buddies, but how far does the friendship really go?

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This science fair project idea measures and compares effects of chemical weathering, specifically carbonation, on different kinds of rocks.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?