What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

In this design challenge, students will be tasked with creating a bouncy ball polymer!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

This science fair project idea lets you build your own wind tunnel and tests different models of paper airplane.

This science fair project idea examines whether boys and girls differ in reflexes.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science fair project idea produces consumable fresh water from salt water through desalination.

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

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

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.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

The purpose of this science fair project is to build a basic radio.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

This experiment will explore the best way to create a perfect soft-boiled egg.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

This science fair project will investigate a type of sustainable development project.