Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

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

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project idea identifies and understands adaptations in birds.

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.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

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

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.