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

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

Learn all about the different jellyfish and then test your knowledge with the questions at the bottom of the page.

Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

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

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

Step up to the controls, Dr. Frankenstein -- the world is in need of a new creature!

Don't be crabby! This worksheets introduces your child to a fascinating crustacean. Fill in the anatomy of a crab using the numbers in the word bank.

Meet the beetle! Filling out this simple worksheet can help your 5th grader learn the anatomy of a beetle.

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

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

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!

Classify the animals in this life sciences matching worksheet!

Dragonflies are some of the oddest looking insects in the world, so it's appropriate that they have so many unique characteristics. Read all about them!

Kids love squids! This simple squid diagram will help your 5th grader memorize the squid anatomy.

Try out this simple worksheet diagramming the anatomy of a shrimp. Big words, small sea creature.

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

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

Fifth-grade learners will look at a diagram of a cell, then follow the instructions to label its parts by color.

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

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

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

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

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

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

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 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!