Just like the rest of our body, our eyes are a complicated system! Learn about how the human eye works with this anatomy sheet.

Read about the intestines, an important part of our digestive process. Your child will see a diagram of this body organ and learn important terms and concepts.

Are you afraid of spiders? Don't scream, this fun worksheet is jam-packed with interesting facts and activities, all about black widow spiders!

Learn the names of major joints in the human body, the points at which bones intersect to make your arms and legs bend.

Filling out this spider diagram will be much less scary than running into these creepy crawlers in real life. Fill in the body parts from the work bank.

How does our hearing work? Give your child a great guide to the anatomy of our ears with this anatomy worksheet.

Ecosystems are an important part of fourth grade science. This fun printable will help your child with her knowledge of plants and animals.

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!

Help your child understand why it's so important to take care of the environment with this info-sheet about an endangered species: the spectacled bear.

Did you know opossums are marsupials, which means they have a pouch! This fun worksheet is jam-packed with fun facts about the opossum!

This bright and colorful worksheet helps your child bring the technical terms of the bones in his legs down to size.

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

How much do you know about man's best friend? This fun worksheet is jam-packed with fun facts about dogs!

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

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

Learn all about the ooey-gooey areas of land called wetlands that provide a home for certain kinds of plants and animals.

This worksheet will quiz your child on the different fields of study in science. What's the difference between a zoologist and a geologist? Find out here!

Learn about your sense of touch with this Awesome Anatomy page on the nervous system.

Check out this Awesome Anatomy page about your voice.

Did you know wolves are the largest members of the dog family? This fun worksheet is jam-packed with fun facts about the wolf!

Why did the fox cross the road? To look for the chicken! This fun worksheet is jam-packed with fun facts about foxes!

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

Hop right into this simple worksheet to memorize grasshopper anatomy. Match the provided words to the body parts of this hip-hoppin' creature.

This story writing prompt encourages children to get creative with an important life science concept: the food chain!

Find out more about what REALLY dwells in swamp ecosystems with this worksheet all about swamps.