Moon Phases and Eclipses

The Moon's daily motion is
1. eastward relative to the horizon.
2. westward relative to the horizon.
3. eastward among the background stars.
4. westward among the background stars.
The Moon's monthly motion is
1. eastward relative to the horizon.
2. westward relative to the horizon.
3. eastward among the background stars.
4. westward among the background stars.
Due to its monthly motion, the Moon rises, transits, and sets
1. earlier each day.
2. later each day.
3. the same time each day.
An eclipse of the Sun can only occur at what phase?
1. New
2. First Quarter
3. Full
4. Last Quarter
An eclipse of the Moon can only occur at what phase?
1. New
2. First Quarter
3. Full
4. Last Quarter
At what phase is the Moon visible all night, from sundown to sunup?
1. New
2. First Quarter
3. Full
4. All phases are visible all night.
Around what phase would it be best to observe faint sky objects all night long without interference from moonlight?
1. New
2. First Quarter
3. Full
4. There is no time when the moon doesn't appear at night.
If New Moon occurs on October 1, around what date will Full Moon occur?
1. October 8
2. October 15
3. October 21
4. October 28
If Last Quarter occurs on June 14, the Moon will be at what phase around June 22?
1. New
2. Full
3. First Quarter
4. Waning Crescent
If First Quarter occurs on May 7, the Moon will be at what phase around May 22?
1. New
2. Last Quarter
3. First Quarter
4. Waning Crescent
If Full Moon occurs on January 14, the Moon will be at what phase around February 12?
1. New
2. Full Moon
3. First Quarter
4. Waning Crescent
Looking at your calendar, you discover that today the Moon is at First Quarter. At sunset, where should you look for the Moon?
1. high in the south
2. toward the southwest
3. rising in the east
4. not up yet
Looking at your calendar, you find out when Last Quarter will occur. When will it rise?
1. sunrise
2. sunset
3. midday
4. midnight
It is midnight. Your friend reports that the Moon is high in the south. Without looking at the sky, you tell your friend that is a
1. Waning Gibbous Moon.
2. Waxing Crescent Moon.
3. Waning Crescent Moon.
4. Full Moon.
It is midnight. Your friend reports that the Moon is low in the southwest. Without looking at the sky, you tell your friend that is a
1. Waning Gibbous Moon.
2. Waxing Crescent Moon.
3. Waning Crescent Moon.
4. Waxing Gibbous Moon.
It is sunset. Your friend reports that the Moon is low in the southwest. Without looking at the sky, you tell your friend that is a
1. Waning Gibbous Moon.
2. Waxing Crescent Moon.
3. Waning Crescent Moon.
4. Waxing Gibbous Moon.
Why don't eclipses occur every month?
1. The moon revolves around the earth every 29.5 days.
2. The relative angle between the moon and the sun cause it to appear in different phases.
3. They do, that's what causes the phases of the moon.
4. The moon's orbit is tilted with respect to the ecliptic.
How often can we expect an eclipse of the Moon?
1. every month
2. every year
3. twice a month
4. twice a year
A solar eclipse occured in February. When will the next solar eclipse occur?
1. March of the same year.
2. March of the next year.
3. August of the same year.
4. Eclipses can not be predicted this closely.
A solar eclipse occurs. When will the next lunar eclipse occur?
1. Two weeks later (or two weeks earlier).
2. One month later (or one month earlier).
3. One year later.
4. Eclipses can not be predicted this closely.
You experience a total lunar eclipse. Which statement is true?
1. You are in the moon's penumbra.
2. You are in the moon's umbra.
3. The moon is in the earth's penumbra.
4. The moon is in the earth's umbra.
You experience a partial solar eclipse. Which statement is true?
1. You are in the moon's penumbra.
2. You are in the moon's umbra.
3. The moon is in the earth's penumbra.
4. The moon is in the earth's umbra.
You experience a partial lunar eclipse. Which statement is true?
1. You are in the moon's penumbra.
2. You are in the moon's umbra.
3. The moon is in the earth's penumbra.
4. The moon is in the earth's umbra.
You experience an annular solar eclipse. Which statement is true?
1. The moon is in the earth's umbra.
2. The moon is in the earth's penumbra.
3. You are in the moon's umbra.
4. You are in the moon's penumbra.
How often can we expect an eclipse of the Sun?
1. every month
2. every year
3. twice a month
4. twice a year
Will the Full Moon be found low in the southeast just after midnight?
1. Yes
2. No
Can the Last Quarter Moon be found low in the southwest just after midday?
1. Yes
2. No
Can the Waning Crescent Moon be found low in the southeast just after midday?
1. Yes
2. No
Can the Waxing Crescent Moon be found high in the south just after midday?
1. Yes
2. No
What time will the Waxing Gibbous Moon be seen low in the southwest?
1. midday
2. midnight
3. sunset
4. sunrise
What time will the Waning Crescent Moon be seen low in the southeast?
1. midday
2. midnight
3. sunset
4. sunrise
What time will the Full Moon be seen high in the south?
1. midday
2. midnight
3. sunset
4. sunrise
What time will the Waning Quarter Moon be seen low in the southeast?
1. after midday and before sunset
2. after midnight and before sunrise
3. after sunset and before midnight
4. after sunrise and before midday
What time will the Waxing Crescent Moon be seen low in the southwest?
1. midday
2. midnight
3. sunset
4. sunrise
What is the type of eclipse shown here?
1. Total Solar Eclipse
2. Partial Solar Eclipse
3. Annular Eclipse
4. Lunar Eclipse
What is the type of eclipse shown here?
1. Total Solar Eclipse
2. Partial Solar Eclipse
3. Annular Eclipse
4. Lunar Eclipse
What is the type of eclipse shown here?
1. Total Solar Eclipse
2. Partial Solar Eclipse
3. Annular Eclipse
4. Lunar Eclipse

Moon Phases and Eclipses

Multiple-choice exercise