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.

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.

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

Identify the life cycle of a butterfly with this hands-on worksheet for second and third graders!

Help your child learn about the nervous system and the digestive system with this fun worksheet, which will challenge his knowledge of physiology.

Are chickens mammals, fish, or birds? Sort animals by their traits in this informative life science worksheet!

Discover the many different kinds of conifer and deciduous trees as you complete this word search!

Your child will write about his or her favorite animal. Kids will research their favorite animals online or at the library, then write down three facts.

Give your little animal lover a great coloring sheet, complete with a few fun facts about the red kangaroo!

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

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

Unearth fossils in this explorative third-grade worksheet!

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

Blue whale facts include that calves weigh up to three tons at birth and adults can be as heavy as 200 tons. Get other cool blue whale facts on this worksheet.

If your child loves animals, introduce her to a cool species of bird with this Northern Hawk Owl info sheet, complete with coloring and a crossword.

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.

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.

Here is a fun animal info sheet that doubles as a spelling exercise! Your child will learn all about the Golden Eagle, and complete a word scramble.

Learn a new species of bird with a fun info sheet! Your child will read a few facts about the American Kestrel, and complete a word scramble.

Animal lovers, here is a fun page all about the falcon! Your child will read a few fun facts about this bird, and complete a word scramble.

Learn about a cool species of bird with this Osprey fun sheet! Your child will read a few fun facts about the Osprey, and complete a crossword puzzle.

Learn a new species of bird with a fun info sheet! Your child will get to read some fun facts about the Sharp Shinned Hawk, and complete a crossword.

With this animal fun page, your child will read a few fun facts about the Great Gray Owl, and complete a crossword based on what he's learned.

With this fun sheet, your child will get to learn a few fun facts about the raven, and then complete a crossword based on what she's just learned.

Here is a fun way to learn about a species of bird: the barn owl! Your child will get to complete a crossword puzzle based on fun facts he's read.

Here's a fun way to review photosynthesis with your child! She'll show off her science knowledge as she answers questions to complete the crossword puzzle.

Help your child learn about facts and opinions in this animal-themed worksheet! Students will read sentences and decide whether they express facts or opinions.

As your child completes this science worksheet on the life cycle of a peanut, he'll get the chance to practice his sequencing, labeling, and drawing skills.

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!