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

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

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

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science fair project idea compares the cuteness reaction between genders.

Discover which method for odor removal words the best for stifling refrigerator odors.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

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

The project is to investigate yeast fermentation and its results on hand of latex balloons.

This science fair project idea demonstrates how our fingers prune when in water.

This science fair project idea tests the efficiency of short term memory.

This project examines which type of dance burns the most calories.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

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

Test the placebo effect in different groups of people.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

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

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

This project concerns activity happening millions of miles away, on the sun.

In this project, a mnemonic is used to test how it increases memory.

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.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

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

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.