4. Sam releases a marble at point A on a ramp. What is the highest point the marble will reach?
 A: Almost to B 
 B: Just past B
 C: Point C
 D: The top of the hill equal to point C
 6. I take a wooden plate and an aluminum plate out of the freezer, where they have been overnight. What is true of the temperature of the plates? 
 A: the aluminum plate will be at a lower temperature.
 B: both will be at the same temperature.
 C: the wooden plate will be at a lower temperature.