Does your preschooler fancy herself a "bird brain"? Test her basic bird knowledge with this cute, cut-and-paste chart.

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

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

Invite your kindergartener to fill out this elephant chart--testing her knowledge of an elephant's parts.

Students demonstrate their knowledge of the structure of animal cells in this middle grades life science worksheet!

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

Guinea pigs are social animals that make great pets. Test your child's knowledge of these furry critters with this fun quiz.

Teach your 1st grader about bees with this fun fact worksheet. Play Sudoku to challenge her logic puzzle skills!

Test your little nature-lover's knowledge about our feathery friends. Can she figure out which bird fits each description?

Ready to meet some new tiny friends? Teach your kindergartener the names of eight insects with these fun and colorful flashcards.

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!

Help your child practice his science skills with this science worksheet, which will challenge his knowledge of reptiles and ask him to solve a puzzle!

Sting your little insect enthusiast with some knowledge about the insect order Hymenoptera. He'll learn a fun fact as he colors this yellowjacket.

Teach your preschooler to choose healthy foods instead of sweets. Help him move his way through the maze by picking out the healthy foods.

Teach your child about an endangered species with this information page, all about the Forest Owlet. They can color as they read some interesting facts.

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!

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

Explore a tropical rainforest habitat and its inhabitants with this engaging worksheet for third graders!

This worksheet about animals and their homes will introduce your child to life science. This worksheet teaches early recognition of animals and their homes.

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

This worksheet teaches kids about animal habitats. Kids match each animal to its habitat, then draw a picture of their favorite animal in its home.

Use this worksheet to make a hammerhead shark headband to wear!

Having a pet is a big responsibility. Help your child decide which items he needs to help care for Casey the cat.

The narwhal is one unusual animal! Your child will learn about this horned sea creature through text and pictures.

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.

Uh-oh! These furry friends have lost their tails. Can your child help match up the right tail to each animal?

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

Learn about the badgers that live in Yellowstone National Park.

Read about the mule deer, the most abundant deer in Yellowstone National Park.

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