Dig into the past with this third-grade worksheet all about fossils!

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

In this North American animal tracks worksheet, students hone their observation skills by matching tracks to animals.

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

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

Unearth fossils in this explorative third-grade worksheet!

See which snail has gotten the farthest with this 2nd grade measurement snail race worksheet.

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

Dip your toes into a marsh habitat in this second- and third-grade worksheet!

Whoa, this spider is quite the spinster! He is actually one of many brand new species discovered between 2009 and 2011.

Give your child a great coloring page full of fun flower facts! This one is about the iris flower and the butterfly.

Dive into habitat studies with this second- and third-grade worksheet!

Walter's Duiker is a new species of duiker, a kind of antelope, and one of many new species discovered between 2009 and 2011.

Decide which plants could live in a grassland with this second- and third-grade worksheet!

Determine which plants would survive in a pond with this second- and third-grade worksheet!

Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Learn how seeds move with this second- and third-grade matching activity!

Dive into a coral reef habitat with this second- and third-grade worksheet!

Analyze fossils with this engaging third-grade science worksheet!

All living things go through many changes as they grow to be adults! Help your little one understand how he will grow and change.

Discover how plants survive in the desert with this third-grade habitat worksheet!

Color the T Rex Leech! Named for its sharp teeth, he is one of many brand new species discovered in the past two years.

Coyotes' famous howl gave them the nickname "song dogs." This is just one of several coyote facts your child can learn from this worksheet.

Our silkworm facts help your little one understand more about these special invertebrates. He'll read about their life stages and answer some questions.

Observe the life cycle of an oriole with this second- and third-grade worksheet!

Stroll through the flora of a temperate deciduous forest in this third-grade worksheet!

Get outside and take a stroll! This leaf guide will give your little one a great learning experience the next time you're out at the park.

So what on earth is this funky creature? He is a Louisiana Pancake Batfish, one of several brand new species discovered within the past two years.

All the animals in this word search share one characteristic: none of them have bones! Can your child find the boneless critters hidden in the puzzle?