The narwhal is one unusual animal! Your child will learn about this horned sea creature through text and pictures.

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

Download this worksheet for answers to our animal reading comprehension series.

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

Pick up some facts about squids, including about the fascinating Giant Squid, and do a bit of writing on this reading comprehension 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.

Hug a tree! It can be a home to many different animals. Can you identify the different shelters used by animals in this picture?

Constellations are groups of stars that form a picture, usually with a story behind it. But many constellations are also zodiac signs, like Libra, the scales.

Introduce your little astronomer to Earth's 'sister planet' Venus! He'll color the picture as he learns fun facts about our solar system's brightest planet.

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.

If your kid gets excited about snakes, you need this cool worksheet. Learn a bit about carpet pythons, such as what colors they may be, and then color the picture.

How much do you know about our national bird? Enjoy an info page about the bald eagle, with a mini crossword, some fun facts and a picture to color.

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

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.

This tree anatomy worksheet will give your little naturalist a better understanding of the parts that make up a tree.

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

The Goliath birdeater is a spider that lives in South America. Your child will read a paragraph about spider before writing an opinion sentence.

Dig your hands into some earth science with this soil sheet! Your little scientist can hone his reading skills as he learns what soil is and how it is formed.

Little scientists can learn about a fundamental concept of physical science with this worksheet all about density!

Budding scientists can learn about an important physical science concept with this worksheet all about density!

Learn about the animal practice of hibernation in this quick science worksheet.

Help your second grader understand the different types of weathering and how they can affect the earth.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

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

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.

The horned lizard has a scary exterior but a gentle personality. Your little student can learn about this North American lizard with this worksheet.

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

Whether you say buffalo or bison, it is still the largest land mammal in North America. Discover a bit more about this majestic animal.

Playing in the dirt was never so educational! Shake things up with this fun experiment about soil.