It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Examine the effect of pressure on carbonation in soda.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Science fair project that explores the phenomenon of Non-Newtonian fluids by exerting force on different materials.

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

This fascinating science fair project explores eye color genotypes.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

This science fair project idea explores whether color affects a person's emotional state.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.