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.

How cool are chromosomes? Read what Steve the savvy scientist has to say about chromosomes and genes before testing your knowledge with some fill-in-the-blanks.

What does the pancreas do? Kids will check out the diagram, read a paragraph, and put their reading comprehension skills to the test by filling in the blanks.

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

Get to know your genes with Steve the savvy scientist! Genes help determine everything from your hair color to your height.

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.

Find out how animals and plants change based on their environment in this worksheet!

Cells are the building blocks of all living things! Help your little scientist learn the basics of a cell with this fun activity.

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

Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

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

Discover what lives in the depths of the sea in this second- and third-grade habitat worksheet!

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

Do you know what the thyroid does? Learn about our body's largest gland with this human anatomy info sheet.

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.

What is the purpose of a narwhal tusk? Explore some interesting new findings about the narwhal, also known as the unicorn whale.

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

Pheww! What is that stinky smell? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about skunks!

Help your child practice her spelling and vocabulary with this fun worksheet! Discuss with your child what it means to be cold-blooded.

Dreams can be delightful or downright terrifying. Discover the science behind dreams and try to figure out what your dreams say about you.

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.

What's the animal that swims upstream? Help your child figure this out with this cold-blooded animal crossword puzzle worksheet.

What is the purpose of a hard shell or a long neck? Discover different adaptations with this matching worksheet for second and third graders!

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

What on earth is a Saw Whet Owl? Find out about this species, and why it's named that way, with a fun info sheet!

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

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.

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.