How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

The objective of this science project is to determine the length of time for different seeds to germinate.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

The project investigates how water and movement affects erosion.

Engineers in training can get started with this simple wheel-and-axle construction activity.

Here's a pressed leaf card project that puts science and writing together for your second grader.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

This science fair project examines how seeds hitchhike on animals and clothing.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

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

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

This activity is a fun challenge for students who have just started learning to program educational robots.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.