What are the two parts of a shadow during an eclipse?
a. total and partial
b. apogee and perigee
c. sidereal and synodic
d. waxing and waning
e. umbra and penumbra
Question 2
What produces the lunar phases?
a. The rotation of the Moon
b. The revolution of the Moon
c. The changing direction of sunlight
d. Earth's tilted axis relative to the Moon
e. The changing direction of Earth to the Moon