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Ch. 20: The Universe
Test Description: Practice questions for the Ch. 20 test
Instructions: Answer all questions to get your test result.
1) Our sun is in the galaxy known as the...
A
Milky Way
B
Constellation
C
Black Eye
D
Andromeda
2) A small body of rock and metal that orbits the Sun is...
A
The moon
B
An asteroid
C
A comet
D
A meteoroid
3) An astronomical unit is the average distance of...
A
The Sun and the nearest star
B
Earth from Pluto
C
The Moon from Earth
D
Earth from the Sun
4) Why is Venus very different from Earth?
A
Venus has much more mass
B
Venus is much larger and has more gravity
C
Venus is farther from the Sun
D
Venus has thick clouds and an atmosphere of carbon dioxide
5) What type of galaxy is Earth a part of?
A
Irregular
B
Elliptical
C
Spiral
D
Circular
6) After a red giant lost its outer layers into space, what is the next stage in its life cycle?
A
Supergiant
B
Massive star
C
White dwarf
D
Black dwarf
7) Why do stars appear to move in the sky?
A
Because of the stars' orbits
B
Because of the Sun's movement
C
Because of Earth's movement
D
Because of the stars life cycle
8) Which type of star is the Sun
A
Massive star
B
White dwarf
C
Supergiant
D
Mid-sized star
9) Which type of star does not shine?
A
White dwarf
B
Supergiant
C
Black dwarf
D
Massive star
10) What does magnitude measure?
A
A star's temperature
B
A star's color
C
A star's brightness
D
A star's size
11) Why is it extremely difficult to draw the solar system to scale?
A
The planets are so detailed they are hard to draw
B
The planets are too large to draw
C
The objects are so far apart it is impossible to show them all on a single piece of paper
D
We don't know enough about the solar system to draw it to scale
*select an answer for all questions
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