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.

Classify the animals in this life sciences matching worksheet!

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

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

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

Learn about the stages of mitosis with this helpful biology handout!

Learn all about the basic parts of a plant with a fun word scramble! Your child will un-scramble the letters to name different parts of a pretty plant.

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.

Learning about the functions of plant parts doesn’t have to be puzzling! Review the parts of a plant with this crossword for first and second graders.

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.

Pigs, cows, and ducks, oh my! The clues in this animal crossword puzzle worksheet will help you remember what animals there are on a farm.

Bug out on some insect anatomy! Can you name each part of the insect? Try making an educated guess by using what you already know about animal body parts.

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

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

Give students an opportunity to model how genes are passed down to offspring with the help of this Punnett squares worksheet!

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.

Explore the difference between natural and artificial selection with this engaging life science worksheet for middle grades!

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!