Pigs, cows, and ducks, oh my! The clues in this animal crossword puzzle worksheet will help you remember what animals there are on a farm.

Learn about the amphibians and reptiles of Yellowstone National Park.

Discover how seeds move to new places with this cut-and-paste worksheet for second and third graders!

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

Get the facts on the beautiful elk, an American treasure and a symbol of Yellowstone National Park.

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

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

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!

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

What on earth is a Saw Whet Owl? Find out about this species, and why it's named that way, with a fun info sheet!

Learn a little bit about green tree frogs (like that they sleep on the underside of leaves!) and then color in this scene of them at the zoo.

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.

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.

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.

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.

The next time you're on a hike, be sure to take this leaf chart to guide you in identifying different types of leaves!

If your kid loves the ocean, he may enjoy learning tons of trivia about our fishy friends in the sea. Brush up on your fish facts with this fun page!

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.

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

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

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

Dive into habitat studies with this second- and third-grade worksheet!

Learn how seeds move with this second- and third-grade matching activity!

Explore the vast ocean with this habitat worksheet for second and third graders!

Discover the animals and plants of the past in this fossil-focused worksheet!

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

Decide which plants could live in a grassland with this second- and third-grade worksheet!

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

Learn all about Alexander Fleming, the man who invented penicillin and the happy accident that brought him to it.