These 12 dinosaur names are all mixed up, and need a dinosaur expert to help unscramble the letters.

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

Review the different body parts with a fun crossword! This is a great way for your little doctor-in-training to review the basic organs and their functions.

In this worksheet, children will learn about the intricate "waggle dance" honeybees use to communicate to each other.

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

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.

Does your budding biologist know his plant parts? Get a great review of some important plant vocabulary with this info page.

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

Here's a fun way to review photosynthesis with your child! She'll show off her science knowledge as she answers questions to complete the crossword puzzle.

Unearth fossils in this explorative third-grade worksheet!

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

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

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

Analyze fossils with this engaging third-grade science worksheet!

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

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

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

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

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!

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

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

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

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

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!

Have you considered why elephants have trunks, or why polar bears have thick fur? Reflect on animal adaptations with this fourth-grade worksheet!

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?

Get to know one of the most unique and colorful monkeys, the red-shanked douc langur. Read about why they are an endangered species with this info-sheet.