The goal of this science fair project is to demonstrate magnetic forces of attraction and repulsion using a magnet and everyday objects.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

This project examines whether sugar substitutes are as sweet as real sugar.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This science fair project idea compares biodiversity between drops of water.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

Test whether cutting up meats will make it cook faster than just cooking it whole.

This experiment will explore whether fractals really repeat themselves infinitely.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

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

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.