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