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.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

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.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

In this project, a basketball containing different psi is dropped to see how well it bounces.

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

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

This science fair project idea determines if females or males tend to do better on optical illusion tests and whether certain age groups also do better.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

In this science fair project, students make their own rain gauge to measure rainfall.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

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.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

This biodiversity project examines the biodiversity in your own backyard.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Here's a simple science activity that will help your child better understand how wells bring us water.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.