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.

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.

This beginners worksheet will help your child get all their ducks in a row when it comes to understanding animals that hatch from eggs.

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

Got a zoo trip planned? Give your kids a fun way to explore the best of the zoo with a mini zoo passport!

Wolves are an animal with a bit of rough past in Yellowstone National Park. Learn all about them!

Both of these animals have big ears! Your child will look at the pictures of unusual animals in this worksheet and try to learn some new things about them.

Learn about the black bears of Yellowstone National Park.

Our silkworm facts help your little one understand more about these special invertebrates. He'll read about their life stages and answer some questions.

Jump-start your kid's excitement about kangaroos! Together, you can learn some cool kangaroo facts, like how kangaroos can jump up to 30 feet.

Animal lovers can learn about sea creatures like sharks, tortoises and seahorses with this ocean habitat activity page, full of fun facts and a word search.

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!

Take a look and learn all about this beautiful and rare tiger from the islands of Sumatra in Indonesia.

This raptors word search is not about dinosaurs, it's about birds! "Raptor" means "bird of prey", and there is a huge list here for your child to find.

These pictures have a lot to say! The animals in this worksheet don't talkÃbut they can tell you a lot about what they're like by the way they look.

Learn about the grizzly bears that live in Yellowstone National Park.

Learn about a common hawk native to North America, the Red-Tailed Hawk! Your child will love coloring this page as he reads some fun facts about this species.

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

Help your child learn about facts and opinions. Kids will read statements about animals before determining whether each statement is a fact or opinion.

Which animals can live happily alongside humans? With this word search, match up game, fun facts, your child will learn more about urban animal habitats.

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.

Count the number of sea creatures and make a bar graph with this shark worksheet. Make an underwater word ladder with your 2nd grader, too.

Can you guess how the Screech Owl got its name? Learn some fun facts about this species of owl with a fun info sheet!

The insect order Hemiptera consists of True Bugs such as Stainers, Assassin Bugs, Leaf-Footed Bugs, and this Boxelder Bug.

If you're taking a trip to the aquarium any time soon, be sure to print out this Aquarium Passport to bring along!

Can your child name 10 animals that make their home in the mountains? After completing this worksheet, he'll know all about mountain habitats!

Sandy the bee is going to a party tonight. Encourage your 2nd grader to help him get there on time by drawing hands on the clock for him.

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!

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