Name: 
 

Test 01 - Chapters 1, 2 & 3



True/False
Indicate whether the statement is true or false. (1-Point Each)
 

 1. 

The Greek letter designation conveys information about a star's location and brightness.
 

 2. 

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

 3. 

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

 4. 

The constellations were created by the Greeks.
 

 5. 

The sun is a star in the Milky Way Galaxy.
 

 6. 

A light-year is the distance light travels in one year.
 

 7. 

A magnitude 3.2 star is brighter than a magnitude -1.2 star.
 

 8. 

A second magnitude star in Ursa Major is brighter than a fourth magnitude star in Orion.
 

 9. 

Spring tides are larger than Neap Tides due to the alighnment of the earth, sun and moon.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question. (3-Points Each)
 

 10. 

The point in Earth's orbit when Earth is farthest from the sun is known as
a.
aphelion.
b.
perihelion.
c.
precession.
d.
the winter solstice
e.
a and d
 

 11. 

Total lunar eclipses always occur at the time
a.
either solstice.
b.
of full moon.
c.
either equinox.
d.
of new moon.
e.
that the sun is directly overhead.
 

 12. 

Spring tides occur
a.
at new moon and full moon.
b.
at new moon and first quarter moon.
c.
at first quarter and third quarter moons.
d.
at third quarter and full moons.
e.
at noon and midnight.
 

 13. 

The point in Earth's orbit when Earth is closest to the sun is known as
a.
aphelion.
b.
perihelion.
c.
precession.
d.
the winter solstice
e.
a and d
 

 14. 

We are at the center of the Universe.
a.
Yes
b.
No
c.
None of the above
 

 15. 

The celestial equator is
a.
a line around the sky directly above Earth's equator.
b.
the dividing line between the north and south celestial hemispheres.
c.
the path that the sun appears to follow on the celestial sphere as Earth orbits the sun.
d.
a and b.
e.
a and c.
 

 16. 

Northern Hemisphere winters are colder than Northern Hemisphere summers because
a.
the snow that falls in the northern latitudes cools Earth during the winter.
b.
Earth is closer to the sun during the summer.
c.
the light from the sun shines more directly on the Northern Hemisphere during the summer.
d.
the period of sunlight is longer during the summer than during the winter.
e.
c and d
 

 17. 

The magnitude scale
a.
can be used to indicate the apparent intensity of a celestial object.
b.
was used to determine the rate of precession.
c.
originated just after the telescope was invented.
d.
was devised by Galileo.
e.
is no longer used today.
 

 18. 

Scientific notation is used in science because
a.
it makes conversions between units easy.
b.
it makes it easy to write big or small numbers.
c.
all astronomical distances are expressed in metric units.
 

 19. 

If the nearest star is 4.2 light-years away, then
a.
the light we see left the star 4.2 years ago.
b.
the star is 4.2 million AU away.
c.
the star must have formed 4.2 billion years ago.
 

 20. 

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

 21. 

The synodic period of the moon
a.
is the period of time from when the moon rises until the moon rises again the next night.
b.
is the period of time for the moon to orbit Earth once with respect to the stars.
c.
is about 27.32 days long.
d.
is the period of time between successive eclipses at a given location on Earth.
e.
none of the above
 

Fill In the Blank
Complete each of the folloiwng statements. (5-Points Each)
 

 22. 

The average distance from Earth to the sun is one __________.
 

 

 23. 

The number 520,600,000,000 would be written in scientific notation as __________.
 

 

Short Answer
Provide a short answer for the following question. (5-Points or More Each)
 

 24. 

Why isn't the winter solstice the coldest day of the year?

__________________________________________________________________
 

 25. 

Why do we measure some distances in astronomy in light-years and some in astronomical units?

__________________________________________________________________
 

 26. 

Explain why there are two high tides and two low tides each day using the following diagram.


es026-1.jpg


__________________________________________________________________
 

 27. 

Show the equinox's and solstice's of the Earth/Sun system clearly showing the following information:
      a. The relative distances of the Earth and the Sun (winter vs summer).
      b. The name of each of the four positions and the date.
      (The same as I drew on the board.)

es027-1.jpg.
 

 28. 

Show the eight phases of the moon clearly showing the following information:
      a. The name of each of the phases. (1-8)
      b. What the moon looks like here on earth. (1-8)
      c. The location of the Earth, Moon and Sun, label the drawing. (9-11)
      (The same as I drew on the board.)

es028-1.jpg.
 



 
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