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.

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.

Kids will learn about fossils in this worksheet. Help your child learn about the scientific method by getting him to examine a fossilized dinosaur skeleton.

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

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

Challenge your science student to record a shadow over the course of a day and make the connection between shadows and the time of day.

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

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

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

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

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.

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.

Explore how Earth’s surface can change in this investigative second-grade worksheet!

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.

Illustrate each season with this engaging first- and second-grade weather worksheet!

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.

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

What's in the ground beneath our feet? Explore the science of soil with your child using this handy printable!

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!

Studying earth science? Learn about the different types of clouds with the series of cloud types.

Search for natural resources with this fun worksheet for second and third graders!

Search for natural resources at the beach in this engaging worksheet for second and third graders!

Construct your own map with this hands-on science worksheet for second graders!

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

Try to find natural resources in this camping-themed worksheet for second and third graders!

Look for natural resources around a farm in this engaging worksheet for second and third graders!

Help your second grader understand the different types of weathering and how they can affect the earth.

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