This science fair project explores how osmotic pressure forces water through the root up into the plant.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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.

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!

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Discover whether a metal will expand under hot water.

This science fair project idea examines the reason boats are shaped and engineered.

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!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.