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

For kids learning geography or earth science, this is the perfect review sheet for drilling students on common geography terms and phrases.

Worm your way through this soil maze, which doubles as a fun way to review the names of the different soil layers.

Can you help Cornelius create a crazy compost concoction? Help your child review his knowledge of compost and recycling with this fun worksheet.

Renewable energy is extremely important for the Earth's future! Test your child's knowledge of renewable resources with this review sheet.

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.

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.

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.

Use this cool 2-page worksheet to make your own big dipper clock!

Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.

This water cycle worksheet is great for 5th grade scientists. Try this water cycle worksheet with your child as a review for test preparation.

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

Uncover secrets of the past with this third-grade worksheet about fossils!

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

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

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.

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

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

Teach your child about plants with this worksheet, which helps your child practice botanical vocabulary.

The infamous Halley's Comet only comes around once every 75 years or so! Read some interesting info on the world's most famous comet.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

That's not a lake... it's a crater! Get the scoop on some of the world's most well known craters with this space science worksheet.

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

Get to know Earth's star with with this diagram and vocabulary worksheet!

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Discover examples of weathering, erosion, and deposition with this fourth-grade worksheet!

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

Study the night sky with this hands-on science worksheet for third and fourth graders!