Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

Science fair project that explains and demonstrates the parallax principle.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

Want to ensure that your child's math knowledge stays sharp? This mean, median, and mode game is the perfect way to reinforce these essential math concepts.

Learn about the factors that influence group conformity.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

Evaluate the efficacy of different pain management techniques.

This project will examine the relationship between materials and air resistance.

This project examines whether sugar substitutes are as sweet as real sugar.

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!

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

This science fair project idea investigates how color affects temperature.

Explore the electrical energy present in energy drinks.

In this science fair project you will make a model of a cell membrane using very simple material.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Science fair project that determines whether brain size is correlated with intelligence.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.