Here's a great introduction to five famous astronomers for kids. See who got the star party started with this worksheet.

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

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

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

This is the story of our solar system. Learn about the life of Nicolaus Copurnicas and his great discovery. Learn more by answering the question at the bottom.

Space enthusiasts will love learning about Freedom 7, the first manned American space mission.

For all you aspiring astronauts, here is a worksheet for learning the constellations! Learn all about the constellation Gemini with this sheet.

Launch into learning with this worksheet on Gemini 4, one of the original missions in the early days of the U.S.'s space program.

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

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.

Teach your kids all about the second planet from the Sun with this simple science sheet.

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

Here's a quick overview of drought and flooding to spark thoughts or conversation with your kids about water.

Here's a great way to teach your kids more about our solar system. This worksheet focuses on the dwarf planet, Pluto.

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!

This worksheet is all about the U.S. space mission of Friendship 7, and will help kids with reading comprehension and U.S. history knowledge all at once.

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?

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

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

On this worksheet, kids learn all about the look and location of Uranus, and they get to cut out a picture to use in their own Solar System diagram.

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.

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.

How much do you know about our home planet? Boost your Earth knowledge with this science printable.

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

Practice naming the planets in our solar system with a fun, visual worksheet! Your child can see the planets in their orbits and try to label each one.

How far away is the Red Planet from the sun? Find out with this great Solar System printable.

There are lots of stories around the world for the rabbit moon: a rabbit image seen in the shadows on the moon's face. Here's one for young moon-gazers!

Let your child explore the vocabulary associated with Earth's landforms with this colorful word search.

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

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