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.

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 is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

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.

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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 science fair project idea produces varying pitches of sound.

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 pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this science fair project, students make their own rain gauge to measure rainfall.

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?

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

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.

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.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.