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.

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

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

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

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Get outside and take a stroll! This leaf guide will give your little one a great learning experience the next time you're out at the park.

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

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.

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

Fossils can tell us about life on earth, but they can also teach kids the scientific method.

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

This fun cut and paste sheet teaches kids about the process an apple tree goes through as it grows.

Kids will learn about fossils in this worksheet. Help your child learn about the scientific method by getting him to examine a fossilized dinosaur skeleton.

Help your child learn about facts and opinions. Kids will read statements about animals before determining whether each statement is a fact or opinion.

Fossils have a lot to teach us about life on earth, but they can also be used to help teach kids the scientific method.

All of these products are made from plants, or they can be! Practice using a Venn diagram, researching and classifying items with your kids.

The olm is a blind salamander that lives in Europe. Kids will learn how pictures help illustrate concepts with this life science worksheet.

The animal names on this third grade science and spelling worksheet are all mixed up! Kids unscramble reptile and bird names to complete the worksheet.

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!

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Here are four examples of mineral resources for kids to think about, plus a short explanation of what a mineral resource is.

Your child will write about his or her favorite animal. Kids will research their favorite animals online or at the library, then write down three facts.

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.

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.

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.