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Astronomy Post Test

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

 1. 

It is about 28 days from one full moon to the next. This is because 28 days is about the time it takes for one
a.
revolution of the Moon around Earth.
c.
rotation of the Sun.
b.
revolution of Earth around the Sun.
d.
rotation of Earth.
 

 2. 

What do we call the darkest part of a solar eclipse?
a.
maria
c.
umbra
b.
an equinox
d.
solstice
 

 3. 

An eclipse is when the
a.
Earth is not tilted towards the Sun
c.
Earth’s shadow covers the Moon or the Moon’s shadow covers part of the Earth
b.
Earth is tilted away from the Sun
 

 4. 

The seasons in the Northern and Southern Hemispheres are
a.
the same
c.
are not related
b.
opposites
 

 5. 

Our Solar System is in the Milky Way galaxy.  What type of galaxy is it?
a.
an irregular galaxy
c.
an elliptical galaxy
b.
a spiral galaxy
d.
a classic galaxy
 

 6. 

After the Full Moon and before the New Moon, the Moon is
a.
waxing
c.
not visible during the night
b.
waning
 

 7. 

Who used his telescope to help prove that the Sun was in the center of the Solar System?
a.
Ptolemy
c.
Copernicus
b.
Galileo
d.
Aristotle
 

 8. 

The phase of the Moon when we can see the entire surface lit up, is
a.
the New Moon
c.
waxing crescent
b.
Full Moon
d.
waning gibbous
 

 9. 

The model of the solar system that says the Earth is in the center.
a.
geocentric
c.
Galilean
b.
heliocentric
d.
Big Bang
 

 10. 

A red shift in the spectrum of the light from an object indicates the object is moving ____ you.
a.
away from
c.
at a right angle from
b.
toward
d.
none of the above
 

 11. 

Which picture demonstrates rotation?
a.
mc011-1.jpg
c.
mc011-3.jpg
b.
mc011-2.jpg
d.
mc011-4.jpg
 

 12. 

What phase of the Moon causes a Solar eclipse?
a.
a New Moon
c.
Waxing Gibbous
b.
a Full Moon
d.
1st Quarter
 

 13. 

Which diagram shows the Earth-Moon-Sun system arranged to cause a total solar eclipse?
a.
mc013-1.jpg
c.
mc013-3.jpg
b.
mc013-2.jpg
d.
mc013-4.jpg
 

 14. 

Our Solar System is in the Milky Way galaxy.  What type of galaxy is it?
a.
an irregular galaxy
c.
an elliptical galaxy
b.
a spiral galaxy
d.
a classic galaxy
 

 15. 

A year is caused by
a.
rotation
b.
revolution
 

 16. 

What phase of the Moon causes a Lunar Eclipse?
a.
a New Moon
c.
the last quarter
b.
a Full Moon
d.
waxing gibbous
 

 17. 

What is the name of the galaxy where is Earth is located?
a.
Andromeda
c.
The Sol Galaxy
b.
The Solar System
d.
Milky Way Galaxy
 

 18. 

Rotation causes
a.
a year to pass
c.
day and night
b.
the seasons
d.
eclipses
 

 19. 

The distances to nearby stars can be measured by using ____.
a.
millions of miles
c.
lightyears
b.
temperature
d.
a tape measure
 

 20. 

The reason that parts of the Earth are warmer during the summer is because
a.
the Earth is closer to the Sun
c.
that part of the Earth is getting more direct radiation
b.
the days are longer
d.
that part of the Earth is tilted away from the Sun
 

 21. 

The model that says the Sun is the center of the Solar System is...
a.
the geocentric model
c.
based upon Ptolemy’s idea
b.
the heliocentric model
d.
what Aristotle believed
 

 22. 

The Moon appears to change shape because
a.
the Moon rotates.
c.
Earth revolves around the Sun.
b.
Earth rotates.
d.
the Moon revolves around Earth.
 

 23. 

A solar eclipse occurs when
a.
Earth blocks the Moon from the Sun.
c.
the Moon blocks Earth from the Sun.
b.
the first four planets are in a line.
d.
the last four planets are in a line.
 

 24. 

What type of galaxy has no real shape and is the home of many new stars and lots of gases?
a.
normal spiral
c.
elliptical
b.
barred spiral
d.
irregular
 

 25. 

 Use the diagram below to answer this question.
mc025-1.jpg


When Earth, the Moon, and the Sun are in line as shown above, which could occur?
a.
An eclipse of the Sun could occur.
b.
An eclipse of the Moon could occur.
c.
The Moon could be pulled closer to the Sun.
d.
The speed of Earth's rotation could be increased.
 

 26. 

Dark, flat, regions formed by lava on the surface of the Moon are called
a.
umbra
c.
eclipses
b.
maria
 

 27. 

This object is so dense that nothing, including light, can escape its gravity field.
a.
supernova
c.
black hole
b.
white dwarf
d.
supergiant
 

 28. 

The ____ states that around 15 billion years ago, the universe began expanding out of an enormous explosion.
a.
H-R diagram
c.
Big Bang theory
b.
binary star theory
d.
"big crunch" theory
 

 29. 

 Use the diagram below to answer this question.
mc029-1.jpg


When the Sun, the Moon, and Earth are in the same line as shown, which of the following could occur?
a.
an eclipse of the Sun
b.
an eclipse of the Moon
c.
The Moon could be pulled closer to Earth.
d.
The spin of Earth could be increased.
 

 30. 

The model of the solar system that says the Earth is in the center.
a.
geocentric
c.
Galilean
b.
heliocentric
d.
Big Bang
 

 31. 

When the Moon is getting brighter each night, it is
a.
a New Moon
c.
waxing
b.
waning
d.
an eclipse
 

 32. 

What contains over 99% of the mass found in the Solar System?
a.
the planets
c.
Earth and the Moon
b.
Jupiter
d.
the Sun
 

 33. 

As the Earth spins on its axis, it
a.
goes through the seasons
c.
travels around the Sun
b.
goes from day to night
d.
it is revolving
 

 34. 

The seasons are caused
a.
by the change in Earth’s orbit
c.
the tilt of the Earth
b.
by the Earth’s rotation
d.
by the Earth’s axis
 

 35. 

Earth’s axis is tilted
a.
90 degrees
c.
23.5 degrees
b.
45 degrees
d.
15 degrees
 



 
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