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

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Learn all about balance and motion as your child designs a corn maze!

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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.

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

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

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

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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.

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

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

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

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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.

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

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

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