Discover how dolphins use sound to see in this fascinating worksheet!

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

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

Find out how scientists explain our yawns and use the graph to keep track of your family's yawns for a whole day!

Learn step by step how to create a report! Research facts about camels, complete the sentences, then use the sentences to create a report about camels.

Use the clues in this crossword puzzle to fill in the blanks with different types of snake names. Learn interesting facts about snakes as you go!

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.

Are you aware of how many endangered species there are in the world? Use this trivia sheet to test your knowledge of some beautiful but endangered animals.

Learn about the California tiger salamander, which uses its toxic, bad smell as a defense.

This coloring page doubles as an info sheet, all about the burrowing owl! Your child will get to draw his own owl using the grid helper.

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Help your child practice his science skills with this science worksheet, which will challenge his knowledge of reptiles and ask him to solve a puzzle!

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!

This colorful diagram is a handy reference guide for kids learning basic body systems.

This fun worksheet is jam-packed with fun facts, a word search and trivia questions, all about the baboon!

Ever heard of a Harris Hawk? Learn all about this cool bird with a fun sheet, including a grid drawing to guide your child in drawing his own hawk.

Teach your child about a new bird, the Magpie, with a fun coloring sheet. She'll read a few fun facts about this species as she colors.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

An energy pyramid is a simple way to graphically show how energy flows in an ecological community; somewhat similar to the food pyramid.

Children learn to identify the tracks of a pine marten, chipmunk, mountain lion, mountain goat, and grizzly bear in this matching worksheet.

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

Explore grasslands and their fauna in this thought-provoking worksheet!

Can you identify the difference between inherited and acquired traits?

Introduce children to photosynthesis with this fill-in-the-blanks life sciences worksheet!

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

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