Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

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

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

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

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

Determine if left-handed people have faster response times.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

This science fair project idea explores how far the average human can see.

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

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

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.