A Changing Cosmos is the latest edition of the Hands-On Universe (HOU) astronomy curriculum series. It is a compilation in a single book as the "Best" of the 7 original HOU high school curriculum books. The original TERC curriculum had 7 student books, with Teacher Guides:
Introduction to Image Processing—how to use the HOU Image Processing Software
Finding Features—including a Browser's Guide to the Universe.
Measuring Size—Use the pixel plate scale to measure a lunar crater; track Jupiter's moons; calculate mass of Jupiter.
Measuring Color—colors of stars, the HR diagram, and how stars evolve according to their mass.
Measuring Distance—Learn how the cosmological distance ladder is used to determine the distance to far away objects.
Measuring Brightness—Learn about photometry -- measurement of light from a celestial object.
Searching for Supernovae—See how astronomers find supernovae -- exploding stars.