Which of the following best describes why we see the moon at different phases? (1 point)

Question

• We are only seeing portions of the moon when its orbit is closest to the Earth.
• We are only seeing portions of the moon that is reflecting Earth's atmosphere.
• We are only seeing portions of the moon that is blocking sunlight.
• We are only seeing portions of the moon that is reflecting sunlight.

Answer 1

We are only seeing portions of the moon that is reflecting sunlight.

Answer 2

Approximately how many days does it take for the moon to go through a complete cycle of its phases? (1 point)
• 24 hours
• 45 days
• 29 days
• 10 days

Answer 3

29 days

Answer 4

Which phase of the moon is seen when the moon is located between Earth and the sun? (1 point)
• full moon
• crescent
• gibbous
• new moon

Answer 5

New moon

Answer 6

Where is the moon located in relation to Earth and the sun when it is a first-quarter moon? (1 point)
• perpendicular to Earth and the sun
• between Earth and the sun
• behind Earth and away from the sun
• behind the sun and away from Earth

Answer 7

Perpendicular to Earth and the sun

Answer 8

What is a difference between a waxing crescent and a waning gibbous? (1 point)
• waxing crescent occurs during the fourth quarter
waning gibbous occurs during the first quarter
• waxing crescent occurs during the third quarter
waning gibbous occurs during the first quarter
• waxing crescent occurs during the first quarter
waning gibbous occurs during the third quarter
• waxing crescent occurs during the second quarter waning gibbous occurs during the third quarter

Answer 9

Waxing crescent occurs during the first quarter, while waning gibbous occurs during the third quarter.