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.

Find out more about single-cell organisms with this coloring page and diagram.

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

Cranium, noodle, melon, noggin...the human skull has been called a lot of things over the years. Here are the proper names for each part.

Learn more about the skin (and the science behind pimples -- ew!) in this printable life science diagram.

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.

Learn all about vision and sight with this life science diagram.

This packet of worksheets introduces children to food webs, an important life science concept.

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

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!

Fill in the blanks from the words listed in the word bank, then keep this sheet handy to prepare for tests and quizzes on life science and photosythesis.

There are a lot of structures that make up a new plant, called a seedling. Your child will learn what they're called with this life science word search.

Learn about the human brain with this zombie-themed science worksheet!

Classify the animals in this life sciences matching worksheet!

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

Explore humans’ inherited traits with this fun science worksheet!

This Louis Pasteur biography goes over his accomplishments, and includes a bacteria-based science activity at the end!

Have fun learning about food chains in this charming science worksheet!

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

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

Looking for a worksheet to help your kid with their science vocabulary? This printable will help him with biology.

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