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Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

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.

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.

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.

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.

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.

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

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

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

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

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.

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

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

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

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

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 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.

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

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

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.