This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Do different types of oil mix or stack? Find out in this science fair project idea!

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

This project determines what category of person is most likely to be ticklish.