This project examines whether humans can intuitively grasp numeric values greater than three.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

In this project, you will observe and record changes in sunspots over two weeks.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

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

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

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

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

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.

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 experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

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.