Why do some objects make loud sounds when dropped, while others make quiet sounds?

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Children work on pattern-spotting and observation skills as they determine which of these six type of creatures is a bird.

Frogs aren't exactly dinosaurs, but they were around during prehistoric times. Celebrate this resilient species with a dot to dot activity.

Tortoises lived in prehistoric times, and they looked pretty much the same then as they do today. Get to know this long-living reptile with a fun dot to dot.

The Alaska state bird is the Willow Ptarmigan, also known as the Willow Grouse. First graders can learn fun facts and add color to the picture of the bird!

Teach your 1st grader about bees with this fun fact worksheet. Play Sudoku to challenge her logic puzzle skills!

Discover the ways that you can help the planet in your everyday life in this inviting worksheet!

Your budding ornithologist can learn about Minnesota's state bird, the loon, with this coloring page.

Learn all about the California state bird, the Quail (and color it in, too) with this fun page from our State Birds series.

Detect animal defenses in this hands-on worksheet for kindergarteners through second graders!

Assess the attributes of the amazing nine-banded armadillo in this worksheet!

What makes a frog living and a robot nonliving? Use observable traits to distinguish between living and nonliving things!

Match each animal to its home in this first- and second-grade life science worksheet!