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

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

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Plants and light seem to be good buddies, but how far does the friendship really go?

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Is it a square or a circle? See if you can trick your friends with this zany science project!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

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

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

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.