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

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

I scream, you scream, we all scream for homemade spearmint ice cream!

Learn all about balance and motion as your child designs a corn maze!

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

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

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.