This science fair project idea explores whether white light can be separated into different colors.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

This science fair project idea determines if the color of light affects the growth of plants.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Use pepper and soap to discover some fun facts about the properties of water.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!