Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Find out whether a longer airplane will fly farther or a wider paper airplane.

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

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This basketball project explores the best way to make the perfect shot every time.

This science fair project idea produces varying pitches of sound.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

In this fun experiment, we'll find out how color affects heat absorption!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this science fair project, students use the streak test to tell minerals apart from each other.