14. In which side of the moon does the light appears during a gibbous waning and waxing moon?
A. Right
C. Upper
D. Lower
B. Leit
15. Which of the following is the consequence of the fact that the rotation and revolution periods of the
moon are the same?
A. All lunar phases can be seen on earth.
B. The moon keeps the same path turned toward the earth.
C. The moon can never be seen from one hemisphere of the earth.
D. There are about 12 months per year
16. The darkest part of the moon's shadow is
a. waxing gibbous
c. waning
b. umbra
d. penumbra
17. How often does the moon pass over a particular spot on Earth's surface causing tides as a result of
its gravitational pull?
a. once every 10 seconds
c. once every 24 hours and 50minutes
b. once every 12 hours and 25 minutes d. once every 14 days
18. Which two phases of the moon do neap tides take place?
a. New moon, full moon
b. Third quarter moon, full moon
c. New moon, first quarter moon
d. First quarter moon, third quarter moon
19. What causes tides?
a. Moon's rotation on its axis
b. Gravitational pull of the sun and the
moon
c. Strong winds
d. Earth's revolution around the sun
20. What occurs when the moon is between the sun and Earth?
a. lunar eclipse
b. low tide
c. solar eclipse
d. high tide​