From the blue whale to the Tasmanian devil, our planet is full of fascinating animals. Find a few of the most interesting ones in this animal word search.

Take a quick lesson in the otters that inhabit Yellowstone National Park and take an even quicker quiz.

Milky Way: candy bar or galaxy of 100 to 400 billion stars?

Get your child into learning with this fun color and learn page. She can read some fun facts about possums, and have a fun coloring session at the same time.

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

If your child loves animals, introduce her to a cool species of bird with this Northern Hawk Owl info sheet, complete with coloring and a crossword.

Can you guess how the Screech Owl got its name? Learn some fun facts about this species of owl with a fun info sheet!

Learn a new species of bird with a fun info sheet! Your child will get to read some fun facts about the Sharp Shinned Hawk, and complete a crossword.

Back in ancient times, the stars were used as storytelling tools. People created characters and stories that they saw in the stars, like Leo the lion.

How do you know when it's wintertime? Have your child complete this winter writing prompt to exercise writing skills and reinforce seasonal knowledge.

Where is the Earth in space? Check out this worksheet that describes where weÃand some of our neighborsÃare in our galaxy.

Take a look into the layers of the earth with this soil science sheet! Your little digger can learn about the different soil layers and what lives in each one.

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

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

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

The next time your parents ask you to wash your hands before dinner, read this worksheet about Joseph Lister and take their advice!

Learn about the texture and hardness of different objects in this second-grade worksheet!

Discover how seeds move to new places with this cut-and-paste worksheet for second and third graders!