Students can write answers or do calculations right in the book.
Some pages can be cut out. Each activity has a list of required materials, most of which are available through the Project STAR catalog. This 48-page addendum to Where We Are in Space and Time , gives answers to the homework questions and problems, and offers suggestions on how to approach each activity. Black and white prints are included to be used as masters. Teacher's Guide With the celestial sphere, students are able to model the apparent daily motions of the stars and the sun for a variety of latitudes and for any day of the year.