Homemade chocolates are a surprisingly easy way to make unique and personal treats. Make a batch of homemade chocolates with your child this Valentine's Day.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Entertain your next batch of energetic youngsters with a Halloween-inspired candy hunt!

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

This science fair project idea investigates how images are influenced by changes in light.

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

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

This project examines whether sugar substitutes are as sweet as real sugar.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

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

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

This project examines which type of dance burns the most calories.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

In this science fair project, students use the streak test to tell minerals apart from each other.

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project idea determines how your body responds to allergies.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This experiment examines if space objects become round after reaching a certain mass.

This project determines how much the rebound rates of tennis balls change after ten games.

This science fair project idea examines the differences between bottle water, filtered water, and tap water.