How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun 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.

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

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

Find out all about the different parts of the eyes and how they work together to make vision possible.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

Put your kid's observational skills to the test with this word search that will help her learn some of the animals that inhabit a rainforest.

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.

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

What is biomass energy? Learn about an important form of renewable energy with this colorful worksheet.

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.

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

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

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

Find out the the cool science behind ice cubes with this fun worksheet.

Blast off into space with a fun planet printable. This one features Jupiter, the largest planet in our solar system.

Learn some new words and facts about precious minerals with this word-scramble and matching worksheet.

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.

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'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?

What is wind energy? Teach your students how we can use the wind to create electricity!

Searching for a worksheet that will help your child practice their reading skills? This printable uses life science as a background to help young readers.

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

Teach your child how to respect the ecosystem with a science worksheet that doubles as a coloring page. Can they identify the sources of pollution in the scene?

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.