This science fair project idea investigates if webbed feet help a duck (and others) swim.

Your child can use Styrofoam, green paint and toothpicks to create her own cactus plant sculpture.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

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

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

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

In this activity your child will create their very own marble maze!

Introduce your child to science with something they see everyday--their shadow!

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

In this activity, your child will be challenged to make a tower using paper cups.

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

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

Start your toy engines -- this is going to be a fast and friction-filled race!

Plants and light seem to be good buddies, but how far does the friendship really go?

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.