If you've got a dinosaur enthusiast at home, he'll surely love this dot to dot worksheet that includes a quick fact about fearsome Tyrannosaurus.

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.

Budding scientists record their observations with this open-ended magnifying glass template!

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.

Color in the under the sea scene featuring this cute sea turtle as he fishes for food at the bottom of the ocean!

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

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

What's in the ground beneath our feet? Explore the science of soil with your child using this handy printable!

Mammals come in all shapes and sizes - as big as a human or as small as a mouse! Learn about the life cycle of a mouse with this cut and paste activity.

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

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

Use this fun frog worksheet to practice place value and expanding numbers.

Track the weather with a homemade weather spinner! Help your little weather watcher color in the blanks on the board with fog, snow, wind, rain, sun and more.

Celebrate trees with this dot to dot coloring page. Not only will your child learn a new science fact, he'll also get to practice counting from 1 to 50.

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.

Check out the alligator gar's huge jaw, and color it in!

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

This experiment requires only lemon juice, salt, sugar and grapefruit. Your budding scientist can get a great introduction to science by testing her own tongue!

Check out these state bird coloring pages, like the Indiana state bird, famous for its red color.

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.

Read the definitions of soil, sand and dirt then write where you can find each type below the pictures. Nurture your budding geologist!

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

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.

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

Help your child learn about the nervous system and the digestive system with this fun worksheet, which will challenge his knowledge of physiology.

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