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.

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.

Discover the details of desert plant life in this informative worksheet!

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

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

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

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

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

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!

Learners will use a word bank to label 15 parts of the human digestive system in this life sciences diagramming activity.

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.

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.

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.

Did you know an elephant can eat 300 pounds of food in one day? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about elephants!

Need to know all about the lungs? Study up with this comprehensive lung anatomy worksheet.

This Awesome Anatomy coloring page shows how blood circulates through your body.

Check out this Awesome Anatomy page about your voice.

This Awesome Anatomy sheet focuses on the brain, often considered the most vital of vital organs.

Learn all about your sense of smell with this diagram and coloring page.

Children will learn important facts about food chains in these worksheets.

Read up on the digestive system with this page, which follows your food from start to finish.

Humans have 32 teeth, including wisdom teeth, and this diagram has the names of all the other 28.

Learn all about cells, the tiny pieces that make up our body, in this color-in diagram.

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

Use this Inside-Out Anatomy worksheet to learn about the digestive system.

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