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.

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

Read about how the capybara live and other interesting facts about capybara. Sure to satisfy your curiosity about capybaras!

This worksheet helps kids understand variations in animals and how the same kind, or species, can sometimes look different from each other.

Track down some of the most famous animals of the Amazon -- and other places -- with this rainforest coloring page that doubles as a life-science lesson.

You have a lot in common with all the other humans on this planet. You all have noses and arms and fingernails, but what makes you different?

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.

Take a trip down to the deep blue sea and learn about the life cycle of a fish! Fish go through the same stages of life as many other living things.

Can't go to the zoo? We bring the zoo to you! Check out the fulvous whistling duck, a bird with social skills and the willingness to share each other's nests.

Explore the lush plant life of the tropical rainforest in this second- and third-grade worksheet!

Dip your toes into a marsh habitat in this second- and third-grade worksheet!

Step into the swamp ecosystem with this engaging life science worksheet!

Help your 2nd grader crack the code using triple digit addition and subtraction to find out what parts of camels can be used to make some tasty dishes.

Can you figure out how the Triceratops got his name? Study this Triceratops fact sheet and see if you can guess.

This worksheet featuring food and natural resources touches on the subject of food chains.

Explore grasslands and their fauna in this thought-provoking worksheet!

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

Deserts might seem inhospitable to life, but there are actually plenty of animals that can live there!

Explore a wetland habitat with this engaging short-answer worksheet for second and third graders!

Dive into a coral reef ecosystem with this life science worksheet!

Give your child a great coloring page full of fun flower facts! This one is about the iris flower and the butterfly.

Who knew coloring could be so educational? Learn the formal names of a spider and calla lily with this coloring page.

Soon-to-be scientists, here's a great coloring page featuring flowers and insects! Learn the scientific names of a ladybug and a daffodil.

Learn the scientific names of this popular flower and its partner, the grasshopper, with this fun coloring sheet!

Bug out on some insect anatomy! Can you name each part of the insect? Try making an educated guess by using what you already know about animal body parts.

Has your child learned about the life cycle of a frog in school? Test his understanding with this cute cut and paste worksheet.

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

Dive into a coral reef habitat with this second- and third-grade worksheet!

Observe the life cycle of an oriole with this second- and third-grade worksheet!

In this introductory tree-diagramming worksheet, young naturalists will unscramble each label to reveal five parts of the tree.