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

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.

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.

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

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.

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.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

Can cells be frozen? This science fair project provides information to answer this question.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

Monitor the impact learning how to play chess has an academic performance. Divide subjects into two groups compare GPA

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves

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

Explore concepts in current and coltage with these Van de Graaff generator experiments.

This science fair project idea measures physical dexterity as a function of temperature.

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

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

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Science fair project that explores the natural process of limestone formation.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.