This article explains the monthly variations in the Moon's appearance as seen from Earth. Directions for using Oreo cookies to illustrate the four major phases of the Moon are provided. The article is targeted to children ages 10-12.

The front of this poster is a cartoon profile of the atmosphere, showing the "good and bad" roles of ozone in the stratosphere, high troposphere, mid-troposphere, and surface. On the back is an article for students, beginning with an explanation of... (View More) ozone's roles, and an introduction to spectroscopy. Also includes detailed instructions for building a classroom spectroscope using a CD or a DVD as a diffraction grating. See related resources to download a PDF file that is a pattern for making the spectroscope body out of construction paper. (View Less)

This article discusses how the Multi-angle Imaging SpectroRadiometer (MISR) instrument found on the Terra satellite is used to understand how particles in the atmosphere interact with sunlight and how particle pollution affects Earth's climate.... (View More) Directions for building a demonstration model of MISR out of cardboard tubes is included, along with short activities to show how it's multiple viewing angles allow MISR to differentiate the kinds of particles in the air because they scatter light differently, depending on their size, shape, and composition. (View Less)