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

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.

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.

Here is a fresh and fruity way to learn a bit of life science. Sit down with your little one and teach them all the different parts of an apple!

Learn about a few common insects and arachnids as you color them in!

This diagram of a human skeleton is labeled with 12 major bones, from skull to fibula.

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

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

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

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.

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.

"The hip bone is connected to the...?" Sing the song perfectly with the help of this worksheet on the skeletal system!

The next time you're on a hike, be sure to take this leaf chart to guide you in identifying different types of leaves!

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.

This word search is all about owls! Your child will learn a few different species of owl as he looks for them in the word search.

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this worksheet.

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

Explore the circle of life with this informative coloring sheet! Help your student color and learn the names of each stage of a butterflyÃs life.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Has your child learned about the life cycle of a frog in school? Test his understanding with this cute cut and paste worksheet.

This fun cut and paste sheet teaches kids about the process an apple tree goes through as it grows.

For those of you studying human anatomy, here is a great diagram of the major organs in our body!

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

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

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

Use this heart anatomy sheet to learn all about your heart and how it works.

How does the butterfly become so beautiful? Learn about the four stages that it goes through in its life.

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.

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.