This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

This science fair project idea produces sounds by creating vibrations using different objects.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

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

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

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 demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Construct and experiment with a periscope using reflected light rays to gather an image.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Find out whether putting something on top of a plant will inhibit its growth.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

Give your budding young observers a chance to discover simple machines at use in their own home.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

This science fair project investigates why the number of visible stars changes from place to place.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This science fair project idea explores whether talking to a plant will help it grow.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

This science fair project idea examines the reason boats are shaped and engineered.