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.

Children get to know a few geology terms in this landform word search puzzle.

Confused about continents? Get better acquainted with all the continents on earth with this word scramble.

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

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

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

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.

Help kids understand the size and scope of billions of years with this helpful reference worksheet.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of plants.

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.

This solar system worksheet guides your child through the order of the planets. Use this solar system worksheet to learn about the planets in the Milky Way.

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

Experience some explosive earth science! Use this diagram to teach your child about the various parts of an active volcano.

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.

Discover some fun facts about the sun — and bring it to life with color — with this astronomy worksheet!

Searching for a worksheet that will help your child practice their reading skills? This printable uses life science as a background to help young readers.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

From glaciers to mountains to wetlands, our planet has lots of different landforms. Help your child learn all about them with this fun earth science crossword.

Give your kid help with his science skills with this worksheet, which practices natural disaster vocabulary.

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!

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

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

Not your typical crossword, this puzzle will have your child learning to recognize the shapes of the continents. Great for map skills and vocabulary!