PSC 203 – Elementary Astronomy Name __________________
Spring 2008
Pre-lecture Assignment
Due March 20
Reading Assignment: textbook sections 21.1, 22.1-22.6
1) Light travels through empty space at a speed of _______________.
2) Which of the following properties of light is measured in units of Hertz?
a) speed b) wavelength c) frequency d) energy
For the following questions, the “bands of light” are:
Infrared, Gamma rays , Radio waves,Ultraviolet, Visible, X rays
3) List the bands of light in the correct order from small wavelengths to large
wavelengths.
____________________________________________________________
4) List the bands of light in the correct order from low energy to high energy.
____________________________________________________________
5) Which band of light includes microwaves? ___________________
Other announcements:
oWork on your WAC rewrite (see rewrite instruction sheet).
oRemember to bring your tutorial book if you didn’t have it with you in
class today.
oYour next outside activity will be handed out in class on Thursday.
oSee me for any concerns or questions about your midterm grades. Not all
work was included in the midterm grade calculation, so your grade may
have shifted some already.