In which part of the Sun are gamma rays produced?
a) corona
b) core
c) chromosphere
d) convection zone
e) photosphere
Ans: b) core
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In order to conserve fuel, you modify your car by removing 100 kg of excess weight. How much energy is saved each time you accelerate from 0 to 100 km/hr (62 mph)?
A. 
B. 
C. 
D. 
Give examples demonstrating the role of "nature" and "nurture" in galaxy evolution
What will be an ideal response?
A Fraunhofer diffraction pattern is created by monochromatic light shining through which of the following?
a. single slit b. double slit c. triple slit d. more than 3 slits
Two long parallel wires are placed side-by-side on a horizontal table. If the wires carry current in the same direction,
A) one wire is lifted slightly while the other wire is forced downward against the table's surface. B) both wires are lifted slightly. C) the wires pull toward each other. D) the wires push away from each other.