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

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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

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

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.