Name: 
 

Solar System Exam 3



Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

The _______________ is 18 years and 111/3 days long.
a.
sidereal period
b.
synodic period
c.
eclipse season
d.
saros cycle
e.
eclipse year
 

 2. 

A solar or lunar eclipse will occur
a.
when the sun is near the line of nodes of the moon and the moon is new or full.
b.
any time the moon is new or full.
c.
when the sun is near the solstice and the moon is new or full.
d.
half-way through an eclipse year.
e.
when the sun is near the equinox and the moon is new or full.
 

 3. 

If the moon enters Earth's shadow but does not reach the umbra, the eclipse is termed
a.
partial.
b.
umbral.
c.
penumbral.
d.
total.
e.
annular.
 

 4. 

_______________ occur when the moon is new and the moon is full.
a.
Neap tides
b.
Spring tides
c.
Total solar eclipses
d.
Annular eclipses
e.
A coppery red moon will
 

 5. 

A solar eclipse that occurs when the moon's umbra does not reach Earth's surface is called
a.
a total solar eclipse.
b.
a partial solar eclipse.
c.
an annular solar eclipse.
d.
a penumbral solar eclipse.
e.
an umbral solar eclipse.
 

 6. 

The saros cycle
a.
was used in ancient times to predict eclipses.
b.
is 18 years, 111/3 days long.
c.
comes from a Greek word that means repetition.
d.
all of the above
e.
none of the above
 

 7. 

The _______________ moon is visible above the western horizon a couple of hours before sunrise.
a.
waning gibbous
b.
waxing gibbous
c.
waxing crescent
d.
waning crescent
e.
new
 

 8. 

The moon moves about _______________ eastward in the sky each night.
a.
b.
c.
13°
d.
27.3°
e.
29.5°
 

 9. 

During a total lunar eclipse
a.
the moon must be new.
b.
the observer must be in the path of totality.
c.
the moon will glow a coppery red.
d.
the moon must be at its greatest distance from Earth.
e.
the date must be near the date of one of the equinoxes.
 

 10. 

On average the moon's umbral shadow is too
a.
bright to produce a total solar eclipse.
b.
faint to produce a total solar eclipse.
c.
wide to produce a total solar eclipse.
d.
long to produce a total solar eclipse.
e.
short to produce a total solar eclipse.
 

 11. 

A total lunar eclipse is
a.
visible only from the path of totality.
b.
visible only during a new moon.
c.
visible to all observers on the side of Earth from which the moon would be visible at that time.
d.
an opportunity to study the corona of the sun
e.
none of the above
 

 12. 

The first quarter moon rises
a.
at about noon.
b.
at sunset.
c.
at sunrise.
d.
at about midnight.
e.
during the second week of each calendar month.
 

 13. 

Total lunar eclipses always occur
a.
during the time of new moon.
b.
during the time of full moon.
c.
on either the vernal or autumnal equinox.
d.
on either the summer or winter solstice.
e.
when the moon is near on of the solstice points.
 

 14. 

Which of the following is not visible during totality of a total solar eclipse?
a.
the corona of the sun.
b.
the chromosphere of the sun.
c.
prominences.
d.
the photosphere of the sun.
e.
all of the above
 

 15. 

A waxing crescent moon is visible
a.
near the eastern horizon just before sunrise.
b.
near the eastern horizon just after sunset.
c.
near the western horizon just before sunrise.
d.
near the western horizon just after sunset.
e.
from sunset until sunrise
 

 16. 

During a total lunar eclipse, which of the following are true?

I.
The photosphere of the sun is obscured.
II.
The moon is in Earth's umbra.
III.
The moon is new.
IV.
The moon is full.
a.
I, III
b.
II, IV
c.
I, II, III
d.
II, III
e.
I, II, III, IV
 

 17. 

A totally eclipsed moon glows coppery red because
a.
the moon' surface is made of iron ore which is red in color.
b.
red light is cooler than blue light.
c.
during a lunar eclipse the sun is cooler than normal and its light is more red.
d.
red light is better able to pass completely through Earth's atmosphere and reach the moon.
e.
The moon appears red during a total solar eclipse, not a total lunar eclipse.
 

 18. 

When will the full moon be highest above the southern horizon for an observer in the Northern Hemisphere?
a.
at midnight near the summer solstice
b.
at midnight near the vernal equinox
c.
at midnight near the winter solstice
d.
at midnight near the vernal equinox
e.
The angle between the southern horizon and the full moon at midnight does not change with the seasons.
 

 19. 

A marble has a diameter of 2 cm. At what distance would the marble have an angular diameter of 1 arc second?
a.
4.1 cm
b.
4.1 miles
c.
4.1 m
d.
4.1 ft
e.
4.1 km
 

 20. 

A total solar eclipse occurred in Wolf Point, Montana on Feb. 26, 1979. When would this eclipse again be visible in Montana?
a.
within 3 days of August 26, 1979
b.
within 3 days of March 29, 2033
c.
within 3 days of March 9. 1997
d.
within 3 days of March 13, 1979
e.
within 3 days of Jan. 1, 2000
 

 21. 

Which of the following is not produced by plate tectonics?
a.
midocean rifts
b.
rift valleys
c.
the ring of fire
d.
the Appalachian Mountains
e.
Earth's magnetic field
 

 22. 

The oxygen in Earth's atmosphere
a.
was manufactured inside stars.
b.
was added to the atmosphere by plant life.
c.
has grown more abundant since the origin of Earth.
d.
all of these
e.
none of these
 

 23. 

The greenhouse effect occurs because
a.
carbon dioxide is transparent to visible light and opaque to infrared radiation.
b.
carbon dioxide is transparent to infrared radiation and opaque to ultraviolet radiation.
c.
ozone is transparent to infrared radiation and opaque to ultraviolet radiation.
d.
ozone is transparent to visible light and opaque to infrared radiation.
e.
the sun emits more infrared radiation than ultraviolet radiation.
 

 24. 

The gas that is most responsible for the greenhouse effect on Earth is
a.
oxygen (O2)
b.
nitrogen (N2)
c.
carbon dioxide (CO2)
d.
ozone (O3)
e.
ammonia (NH3)
 

 25. 

The ozone layer is
a.
transparent to ultraviolet radiation.
b.
opaque to ultraviolet radiation.
c.
opaque to visible light.
d.
opaque to infrared radiation.
e.
responsible for producing most of the oxygen that animal life needs.
 

 26. 

If Earth's average surface temperature were to increase by several degrees,
a.
plant life in all areas of Earth would grow more efficiently and be more lush.
b.
the ozone layer would be destroyed.
c.
sea level would rise and flood coastal areas.
d.
the carbon dioxide in Earth's atmosphere would be destroyed.
e.
none of the above
 

 27. 

Why would a decrease in the density of the ozone layer create a public health concern?
a.
The greenhouse effect would not be as efficient and the temperature of Earth would decrease.
b.
The greenhouse effect would be more efficient and the temperature of Earth would increase.
c.
Plant life would no longer have the ozone it needs for photosynthesis to create chlorophyll.
d.
Infrared radiation from the sun would bombard Earth and cause an increase in skin cancers.
e.
none of the above
 

 28. 

The greenhouse effect keeps Venus hot because
a.
the atmosphere contains free oxygen.
b.
the atmosphere is rich in carbon dioxide.
c.
the surface converts infrared into visible radiation.
d.
the surface is free of sulfur compounds.
e.
the magnetic field traps a large number of particles from the solar wind.
 

 29. 

Mars has a sufficient mass and a low enough temperature that water molecules could exist in its atmosphere. Why doesn't Mars' atmosphere contain a significant amount of water?
a.
Mars formed in a part of the solar nebula that lacked oxygen.
b.
Mars formed in a part of the solar nebula that lacked hydrogen.
c.
All of the water vapor was released in the impact that formed Deimos.
d.
Ultraviolet radiation breaks the water molecule into less massive particles that can escape.
e.
The water molecule combines readily with chlorine to form hydrochloric acid.
 

Completion
Complete each sentence or statement.
 

 30. 

A(n) _______________ eclipse occurs when the moon is at its greatest distance from Earth and the moon is new.
 

 

 31. 

The _______________ of the sun is not visible during a total solar eclipse.
 

 

 32. 

A(n) _______________ moon is visible in the south-eastern sky just after sunset.
 

 

 33. 

_______________ is responsible for absorbing ultraviolet radiation in Earth's upper atmosphere.
 

 

 34. 

_______________ is the molecule most responsible for the greenhouse effect on Venus and Earth.
 

 

 35. 

The atmosphere of _______________ contains acid compounds including sulfuric and hydrochloric acid.
 

 
 
The following question(s) cover basic properties information on the terrestrial planets and are not limited to Venus and Mars.
 

 36. 

The terrestrial planet with the most efficient greenhouse effect is _______________.
 

 

True/False
Indicate whether the sentence or statement is true or false.
 

 37. 

The third quarter moon rises at noon.
 

 38. 

During an annular eclipse of the sun, the corona of the sun is visible.
 

 39. 

A total solar eclipse will be visible from the same location on Earth one saros cycle later.
 

 40. 

The path of totality for a solar eclipse is swept out by the tip of the moon's umbra as the umbra moves over Earth.
 

 41. 

A total lunar eclipse is visible only from the path of totality.
 

 42. 

If you were on the moon during a total lunar eclipse, the sun would be hidden behind Earth.
 

 43. 

The totally eclipsed moon glows coppery red because sunlight reaches the moon's surface after passing through Earth's atmosphere.
 

 44. 

An eclipse season is the interval during which the sun crosses a node of the moon's orbit.
 

 45. 

The umbra of the moon's shadow is the region from which no part of the photosphere is visible.
 

 46. 

Oxygen in Earth's atmosphere is outgassed in volcanic eruptions.
 

 47. 

The greenhouse effect occurs because carbon dioxide is opaque to infrared radiation.
 

 48. 

The ozone layer is produced by oxygen atoms that link to form O3.
 

 49. 

Outgassing produces gas rich in carbon dioxide, nitrogen, and water vapor.
 



 
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