Learn facts about Mars, the great red planet in the night sky. There is more find out about space by answering the question at the bottom of the worksheet.

Invite spellers on an inter-stellar adventure with this fun word scramble puzzle.

Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.

Learn a bit about meteors, asteroids and comets as they travel across the night sky. Can your child round out the page by adding color to these orbiting rocks?

This Earth Day, learn about conservation and the environment while you enjoy solving a fun puzzle! 

This worksheet is a quick-reference tool of space vocabulary for kids, with an exercise to use the words properly in provided sentences.

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.

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.

This worksheet will quiz your child on the different fields of study in science. What's the difference between a zoologist and a geologist? Find out here!

Don't let your kid bark up the wrong tree! Engage him in a word search filled with tree terms, boosting his attention to detail and problem solving skills.

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.

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

Learn about the "dwarf planet" in our solar neighborhood. There are more Pluto facts to learn, if you figure out the answer to the question on the page.

Looking for a fourth grade worksheet to help your kid with astronomy? This printable will help him learn the relative sizes of planets.

Searching for a worksheet to help your fourth grader with science? This printable will help him with geology.

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

Looking for a worksheet to help your kid with science? This printable will help him with his knowledge of geology.

Kids can explore ideas of storytelling and science as they fill in this comparison grid with their opinions. Start a conversation of ideas with this worksheet!

Explore the science behind how hurricanes are forecasted with this two-page environmental science worksheet!

Invite students to explore the cause and effect of earthquakes with this two-page environmental science worksheet!

Continents collide in this earthshaking science worksheet!

Help third and fourth graders become rock stars with this informative geology worksheet!

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

Discover the phases of the moon with this third- and fourth-grade space science worksheet!

Discover Earth’s different spheres with this fourth- and fifth-grade earth science activity!

Discover how cover crops enrich soil and support healthy crop growth with this research-based worksheet for fourth and fifth graders!

Discover how water flows in this informative environmental science worksheet!

Learn about some of the major U.S. watersheds in this fascinating science and geography worksheet!

Learn about the identifying characteristics of the four main types of air masses in this informative science worksheet!

What happens to water after it rains? Learn about the stages of the water cycle in this colorful worksheet!