This week we’re diving into wavelengths as we focus on optics and spectra. Let’s start off with something that you may have wondered about, the color of the sky. You might think it has something to do with our atmosphere, and you’d be right- it’s a result of of the interaction between our atmosphere and the light from the Sun. But how does it work?

Upcycle leftover packaging to create this cute all-ages cloud mobile!

Learn how clouds form—and see it in action!—with this at-home science lesson and video demonstration.

Be a community scientist by logging today’s cloud cover. Learn how here!