Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

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 sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

The goal of this project is to create an exciting topographical map out of dough.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.