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

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

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

Your child will learn how electricity is made and used by drawing pictures of household products that use electricity to create light, heat, and motion.

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

For your budding environmentalist, here is an information sheet on a well-known endangered species, the Komodo dragon!

Fourth and fifth graders will cut out and assemble a human skeleton from paper in this engaging life sciences printable.

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

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.

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

Flex your mind muscles with a body science worksheet! Your child will learn the fundamentals of what makes up our muscles.

Budding biologists can learn all about human digestion with this information page, complete with a diagram of the digestive system.

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

Go from a butterfly beginner to an expert with this worksheet, full of pretty butterflies and tons of information about where butterflies live.l

These STEM design challenge cards ask learners to build something new for a specific reason or purpose and are a great way to foster creative thinking.

There are some parts of our brains that are still too complicated for scientists to understand! Find out the basics of the brain's functions with this fun page.

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

Teach your child about an endangered species with this information page, all about the Forest Owlet. They can color as they read some interesting facts.

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

Expand your sea creature vocabulary with this Life in the Reef worksheet!

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

Young botanists test their plant know-how with this quiz.

Dragonflies are some of the oddest looking insects in the world, so it's appropriate that they have so many unique characteristics. Read all about them!

This is the story of our solar system. Learn about the life of Nicolaus Copurnicas and his great discovery. Learn more by answering the question at the bottom.

How many teeth does an alligator have? Find out with this fun worksheet, dedicated to teaching you and your child all about alligators!

Get to know the Apollo 11 space mission in this science and history worksheet!

Get to know the residents of the reef with this coral reef-themed crossword, perfect for expanding life science knowledge and working on vocabulary, too!

Did you know you're 1,000 times more likely to drown than you are to be bitten by a shark? This fun worksheet is jam-packed with fun facts about the shark!

Ever wonder what's inside a camel's hump? Find out with this fun worksheet! It's jam-packed with facts about camels.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.