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

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

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.

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

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 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!

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

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?

In this science fair project, young children notice and track changes in trees throughout the year.

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

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.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy 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!