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 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.

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!

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

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.

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.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Science fair project that determines whether moths are attracted to one color of light more than others.

Science fair project that examines the biodiversity of ant populations in various locations.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.