This reading comprehension worksheet focuses on Brazil's incredible natural resources, targeting both Earth science and language arts.

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

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.

Dig into the past with this third-grade worksheet all about fossils!

Find out what wind is all about in this intro to earth science worksheet.

This worksheet teaches all about the planet Saturn and its placement in the Solar System.

The earth is always changing and moving.Learn all about weathering and erosion with this worksheet.

Learn all about precipitation and the role it plays on the planet in this weather science worksheet.

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

Did you know "Delphinus" is Latin for "dolphin"? Learn all about this cool constellation with this worksheet!

Confused about continents? Get better acquainted with all the continents on earth with this word scramble.

Did you know that before they were zodiac signs, characters like Taurus the bull were all constellations!

Learn all about the cumulonimbus cloud, more commonly known by a much more fearsome name: the thundercloud!

This page is all about building your kid's natural resources vocabulary words, along with research skills.

This helpful worksheet lays out all the qualifications for planethood. A great way to start studying outer space science!

Find out all about snow in this worksheet -- what it is, where it comes from and what it looks like.

Let's play animal hide and seek! Your little zookeeper will learn all about animal camouflage with this adorable worksheet.

What does the Earth look like? Find out all about the nooks and crannies that cover the planet with this landforms worksheet.

What a wonderful world word search! See if you can find all 10 of the Earth-related terms in the word search.

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

All living things need water to survive. Listed are some of the ways we use water: can your child think of others?

Aspiring astronomers, get ready for a stellar coloring page all about the moon! Your child can read some fun facts as he colors.

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.

Did you know that there is no new water on Earth? It all gets recycled and reused in a process that we call the water cycle.

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze 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.

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.

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.