How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

Did you know that Uranus can get as cold as -144° Fahrenheit? Learn more about the third largest planet in our solar system on this planet printable.

Here's a great worksheet for teaching your kids all about the planet Mercury. Did you know that it's the smallest planet in our solar system?

Give students the opportunity to explore the phases of the moon with this engaging science worksheet! 

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.

Show what you know about the Earth-sun system with this earth and space science worksheet!

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

This worksheet features Uranus facts. Did you know this planet is blue and spins on its side?

First graders can read the information about Mercury then label each layer of the planet using what they've learned.

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.

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

First graders can learn about the planet Venus and label its layers in this simple and engaging exercise!

First graders can learn all about the sun by reading the facts then using what they've learned to label each layer of the sun.

Complete this simple and engaging exercise about the planet Mars by reading the information and labeling Mars' layers using what you've learned.

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

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

Explore how, when, and why lunar eclipses occur with this two-page earth science worksheet!

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.

This printable features the planet closest to the sun. Learn Mercury facts and further your knowledge of outer space by discovering new things.

What is Pluto? According to scientists... no, not quite. Find out more behind the answer to that age-old question.

A coloring sheet of a Mars rover searching for life on other planets.

Use these fun flashcards to memorize moon-related terms including the moon's different phases and eclipses.

Did you know there are clouds in space? They are very different than the ones on Earth! Read a bit about nebula in this space science worksheet.

If you know what each planet looks like, you'll have no trouble with this intergalactic crossword puzzle.

Did you know that 763 Earths could fit inside Saturn? Learn more fun facts about Saturn on this fun science printable.

Looking for a way to teach your kids all about the planets? This worksheet is the way to go. It features Venus, the second planet from the sun.

This moon phases worksheet offers a clear explanation of the lunar cycles. To teach your student the phases of the moon, download now!

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

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