This science worksheet tells all about James Watt, the man that powered the Industrial Revolution.

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.

If you're looking to color a chimpanzee, you won't find a coloring page better than this one. Learn some facts about these animals while you're at it.

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.

Learn a little bit about green tree frogs (like that they sleep on the underside of leaves!) and then color in this scene of them at the zoo.

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 Yellowstone National Park's peregrine falcons, which survived heavy pesticide use in the 1960s.

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

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

This is not your average coloring page. Using only the three primary colors, mix your paints together to form as many colors as possible.

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

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.

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

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

There aren't many blue animals out there, but here's one that will be fun to color: the blue dart frog. Its bright color warns predators that it is poisonous.

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Bird-watchers will love this worksheet, featuring just a sample of the many song birds flying around Yellowstone National Park.

Here's a great way to teach your kids more about our solar system. This worksheet focuses on the dwarf planet, Pluto.

Can you and your child come up with a few ways to conserve water in your home? This printable starts you off with five ways to conserve water.

Read about one of Yellowstone National Park's coolest animals, the big horn sheep.

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!

Here's a creature that can be a heard a mile away: a thick-billed parrot. Learn more about these birds that are the only parrots native to the USA.

Ready for liftoff? Take to the starry skies with this worksheet that explores the three basic types of galaxies.

Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.