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In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Slip some science into storm watching with a homemade rain gauge!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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?

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This science fair project idea investigates the difference in reaction times between boys and girls.

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

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?

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This science fair project idea investigates if fats add to the flavor of food.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

This science fair project idea explores substances that cause a bubble to last longer.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Want to boost math and science learning? Take a bug expedition and give your first grader practice observing and charting what they see.

Make a backbone model to explore human anatomy and life science.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!