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

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

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!

There's not much in the animal kingdom more interesting than tentacles with suckers! Learn about octopus anatomy with this worksheet.

Learn about the animal kingdom with this centipede anatomy worksheet. Fun fact: Centipedes have either 15 or 17 pairs of legs, but never 16!

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

Dinosaurs and other creatures don't exist anymore! Learn the names of some extinct animals, and look for them in this fun wordsearch puzzle.

Discover the connections between the sun, plants, and animals in this fifth-grade worksheet all about photosynthesis!

Use your knowledge of sea creatures to fill out this crossword puzzle.

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.

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

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

Ever wonder why zebras have so many stripes? Find out with this fun worksheet all about the zebra!

Is it true that male seahorses get pregnant? Find out with this fun, fact filled worksheet, all about seahorses!

Did you know you're 1,000 times more likely to drown than you are to be bitten by a shark? This fun worksheet is jam-packed with fun facts about the shark!

Did you know chameleons can sleep upside-down? Learn more about chameleons with this fun worksheet, jam-packed with fun facts and activities!

How much do you know about the U.S. national bird? Learn all about the bald eagle with this fun, informative worksheet!

How many teeth does an alligator have? Find out with this fun worksheet, dedicated to teaching you and your child all about alligators!

How much do you know about man's best friend? This fun worksheet is jam-packed with fun facts about dogs!

Ever wonder what's inside a camel's hump? Find out with this fun worksheet! It's jam-packed with facts about camels.

Did you know a baby kangaroo is called a joey? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about the kangaroo!

Did you know that some caribou travel 3,000 miles in a year? This fun worksheet is jam-packed with fun facts about the caribou!

Did you know chinchillas were almost extinct? This fun worksheet is jam-packed with fun facts about the fuzzy chinchilla!

Did you know wolves are the largest members of the dog family? This fun worksheet is jam-packed with fun facts about the wolf!

Did you know cougars can leap 20 feet from a sitting position? This fun worksheet is jam-packed with fun facts about the cougar!

Why did the fox cross the road? To look for the chicken! This fun worksheet is jam-packed with fun facts about foxes!

Did you know opossums are marsupials, which means they have a pouch! This fun worksheet is jam-packed with fun facts about the opossum!

Get familiar with this food chain pyramid, from carnivores and herbivores to producers and decomposers; each group has a role.

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!

Study ecosystem changes with this drought-focused worksheet for fourth and fifth graders!