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.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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.

This science project teaches students to classify different shapes of leaves.

Test the placebo effect in different groups of people.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

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

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

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 that creates fog using bottles of hot and cold water.

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.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

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!