Here's a fun way for kids to review their knowledge of earth science terms. Challenge your child to give a definition of each word as he finds it.

Find a definition of what "natural resources" are, and complete the natural resources word search. It's a good vocabulary warm-up!

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

In this word scramble, children solve a riddle by identifying which things are made of plants and which are not.

Natural resources are crucial for sustaining life on the planet. Encourage your child to get to thinking about plants, one of Earth's natural resources.

This activity allows you to learn a fact about each one of our nine planets. Color in the planets then turn the worksheet into a fun and educational placemat.

With this diagram, kids can find out more about oil, one of our most widely-used natural resources, and learn a little more about where it comes from.

Take a look into the layers of the earth with this soil science sheet! Your little digger can learn about the different soil layers and what lives in each one.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

Quiz your little scientist on his knowledge of the soil layers! He'll be reviewing some important earth science concepts and key terms.

Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

Children are introduced to the basic concepts of cloud formation in this diagramming and fill-in-the-blank activity.

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

Meet the stratocumulus cloud, the kind of cloud that tend to gather in groups when a storm is on the way.

Is air a natural resource? You bet! Air as a resource carries oxygen, which we need. Read and write about ways air quality can be affected.

Ocean resources are an incredible part of how we live our lives; read and write about them with this worksheet.

This mix-and-match lists examples of natural resources. Kids can connect the natural resource with the resulting product.

Can your child think of ways people use soil? Get her excited about Earth science with a lesson on this crucial natural resource.

A natural resource is something that we use that occurs naturally in the environment. Teach your child about the densest and heaviest natural resource: rocks!

All living things need water to survive. Listed are some of the ways we use water: can your child think of others?

In this science matching worksheet, children will test their solar system know-how by matching each celestial body to the correct fact.