Invite budding naturalists to sharpen their observation skills with this colorful, printable scavenger hunt.

We use our ears to hear, mouth to taste, eyes to see, hands to touch and nose to smell, match pictures to the corresponding sense on this cute worksheet.

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

Hot or cold? Children practice classifying nine items by cutting them out and placing them in the correct box.

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

Learn about the great horned owl of Yellowstone National Park, a bird so big and mean that it has the nickname, "tiger owl."

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

Quiz your kindergartener on feelings and the five senses with this cute picture test.

Read about the small population of huge moose in Yellowstone National Park.

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.

These flash cards serve as an intro to life science, but also help with counting skills and sequential ordering.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

This cute worksheet asks your first grader to write down each part of the human body--encouraging research on life science and boosting his spelling ability!

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

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.

Match the sense to the picture in this five senses worksheet!

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.

Kids find desert animals in this science word search. Animal habitat worksheets help students learn about life forms in different environments.

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.

Stretch your backbones and learn about the creatures that have a spine and those you don't!

Looking for a fourth grade worksheet to help your kid with science? This printable will test his knowledge of the water cycle.

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

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.

Children match animals to their ecosystems in this life sciences worksheet.

Kids find forest animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

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

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!

Butterflies and moths may have very different colors, but they are from the same insect order! Learn about lepidoptera with a fun coloring page.

For kids who bug out on bugs, here's the perfect coloring page! Learn about the insect order Coleoptera, which we mostly know as beetles.