Discover which battery composition (type) lasts the longest.

This science fair project idea identifies and understands adaptations in birds.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

This science fair project demonstrates the "power of conformity".

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.

The project idea is to establish whether it is easier to memorize words with fewer syllables and to understand how memory works.