Learn what distinguishes a meteoroid, meteor and meteorite with this outer space science sheet!

Get to know the Apollo 11 space mission in this science and history worksheet!

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

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

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

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

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.

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

Explore one of the great mysteries of the universe with this space science worksheet on black holes.

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

Almost nothing in this universe can travel faster than light! Have some fun exploring the speed of light with this space science worksheet.

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.

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

What is the difference between a solar eclipse and a lunar eclipse? Find out with this stellar space 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.

Learn a little about our planet with an Earth coloring sheet and find out more about our travels in to space by aswering the question at the bottom of the page!

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

Our solar system has hundreds of moons! Read a bit about how a moon is formed with this lunar lesson.

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

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.

How was our solar system created? Read a bit about one of the most well-known theories in this worksheet about the Big Bang.

It's a bird! It's a plane! It's Physics Man! Test your knowledge of the physical world with this fun questionnaire that takes physics to a super-heroic level.

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!

Children are introduced to the concept of the speed of light in this illustrated worksheet.