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

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

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

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

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

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

This science fair project idea determines effective strategies to help students stay awake and attentive.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

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

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.