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

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

Lots of people like turtles, but how much do you really know about them? Get to know one of many types of turtles with this informational worksheet.

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.

Classify the animals in this life sciences matching worksheet!

Test your little nature-lover's knowledge about our feathery friends. Can she figure out which bird fits each description?

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.

Uncover secrets of the past with this third-grade worksheet about fossils!

Dig into the past with this third-grade worksheet all about fossils!