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This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Find out whether a longer airplane will fly farther or a wider paper airplane.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

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

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

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

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 experiment you will evaluate whether praise improves athletic performance.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

This experiment evaluates whether motivational music can improve athletic performance.

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

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

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

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

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

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

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

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

This science fair project idea determines the probability of a coin landing heads or tails.

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

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.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

This science fair project aims to examine the nature of pi and analyze other properties and values related to circles, such as radius, diameter

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.