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

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

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

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea investigates the hardness property of minerals.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This science fair project idea investigates how the shape of an object affects drag.

Is your child a young ornithologist in the making?

This science fair project idea explores how length affects the weight a bridge can hold.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

This project determines what category of person is most likely to be ticklish.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Cleaning can be a chore, but not with this sudsy experiment!

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

In this science fair project you will make a model of a cell membrane using very simple material.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

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

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!