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

How do trunks, claws, and flippers help animals? Discover how animals use different parts of their body to meet their needs in this kindergarten and first-grade life science worksheet!

What does a dog eat? Kids choose the pictures that show what kind of food each animal likes to eat in this first grade life science worksheet.

Explore the anatomy, physiology, and overall function of the sensory nervous system with this life science worksheet! 

Students demonstrate their knowledge of the structure of plant cells in this middle grades life science worksheet!

Students demonstrate their knowledge of the structure of animal cells in this middle grades life science worksheet!

We use our ears to hear, mouth to taste, eyes to see, hands to touch and nose to smell, match pictures to the corresponding sense on this cute worksheet.

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

Connect the dots from 1 to 30 to reveal Styracosaurus's mighty horns.

Learn the ins and outs of one of the body's most important organs: the heart!

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

Match the sense to the picture in this five senses worksheet!

Learn more about Gallimimus, one of the fastest dinosaurs, with this cool dino dot to dot.

Is your little one into creepy crawlies? Test his bug knowledge with a fun crossword puzzle.

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

Record your notes as you learn about the cell cycle with this one-page template!

Learn about the parasaurolophus, one of the most musically inclined dinosaurs with this dot-to-dot coloring page.

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

Learn about Supersaurus, one of the largest dinosaurs ever recorded, with this fun fact dot to dot printable.

Celebrate dolphins, one of the most intelligent animals in the world, with a fun dot to dot coloring page.

Your budding ornithologist will love an introduction with coloring pages like this one featuring the New Hampshire state bird.

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

Children will practice counting from 1 to 10 as they add a cap to a mushroom in this dot-to-dot worksheet.

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

The Ohio state bird, the Cardinal, is famous for their bright red color. Can you give this one some color?

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

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

These cute critters have gotten their tails all mixed up! Have your little one help put them all back in place.

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