Learn more about the swirling, whirling science behind tornadoes with this wild worksheet.

Celebrate the fall season with this nature sketchbook, perfect for any lover of the outdoors!

Learn all about Alexander Fleming, the man who invented penicillin and the happy accident that brought him to it.

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

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.

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?

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.

Find out more about what REALLY dwells in swamp ecosystems with this worksheet all about swamps.

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

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.

Learn about drag, air resistance, and Newton's laws with this cool worksheet on bobsled physics!

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

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

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.

It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.

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.

Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.

This bright and colorful worksheet helps your child bring the technical terms of the bones in his legs down to size.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.