Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

This project explores ways to prevent static electrical shocks.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

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

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 researches the effects of acid rain on plant growth.

Free science fair project idea that examines cheating in school-age children. Project involves a task in which children are tested on various tasks.

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.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

This science fair project idea studies how talking on a cell phone affect driving?

Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

This science fair project idea produces varying pitches of sound.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This biodiversity project examines the biodiversity in your own backyard.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.