Physics II	Leeson				Name______________________________________
Block______	Date____________________       _______
Test V	Earth & Moon	                         100

I.Matching (2)
A.  Gravity			F.  Eclipse
B.  Phases			G.  Penumbra
C.  Latitude			H.  Meridian
D.  Tides			I.   Umbra
E.  Longitude			

	___1.  A line drawn across the surface of the Earth from pole to pole.
	___2.  A measurement on the surface of a globe North or South of the Equator.
	___3.  A meridian used to measure your location East or West of the prime meridian.

II.Where did Luna come from?  Discuss at least 2 theories and explain which one you favor, and why. (10)

III.  Multiple Choice – Circle ALL correct answers (there may be more than one. (2%)

	1.  A solar eclipse happens when the ________ gets between us and the____________.
		A.  Earth ... Sun.
		B.  Moon ... Sun.
		C.  Sun ... Moon.
		D.  Earth ... Moon.
		E.  None of the above.

	2.  Solar eclipses can happen during a _________ moon.
		A.  new	B.  full		C.  crescent	   D.  first quarter	E.  all of the above

	3.  Lunar eclipses can happen during a __________ moon.
		A.  new	B.  full		C.  crescent	   D.  first quarter	E.  all of the above

	T     F     4.  There is a lunar eclipse every month.

IV.  You are looking down on the Earth-Moon system from the North.  Label each Moon phase as accurately as possible.  Put a big "X" on any Moon that could produce Spring tides.  Draw a couple of arrows to indicate the direction of the Moon's orbit.  Answers could include the following words:  full, new, crescent, gibbous, waxing, waning, etc. (10)

V.  Convert the following (2)

	13cm = ___________________ mm			16m = _______________________ cm

	3in = _____________________ cm			50mm = _____________________ cm

VI.  Which tend to last longer - Solar eclipses or Lunar eclipses?  Why?  (5)

_____________If your object distance is 100cm, and your image distance is 15cm, what is the 
		focal length of the lens?

VII.Write at least a paragraph covering ONE of the following topics. (10)

If you were on top of a building and you dropped 2 objects, what would happen, according to Aristotle, and Galileo.

Kepler, Newton and Einstein, each explained why/how the planets go around the sun.  How did each of them explain this?