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Chapter 19.1 Review (8th)
Test Description: Stars
Instructions: Answer all questions to get your test result.
1) The brightness of a star as seen from Earth
A
absolute magnitude
B
true magnitude
C
apparent magnitude
D
parallel magnitude
2) The apparent shift in the position of an object when viewed from different locations
A
apparent position
B
star shift
C
parallax
D
parallel vision
3) The distance that light travels in one year; about 9.5 trillion kilometers/5.8 trillion miles
A
light-year
B
solar day
C
light-mile
D
light-kilometers
4) Lines that are made when certain wavelengths of light, or colors, are given off by hot gases
A
spectrograph lines
B
fingerprint lines
C
continuous spectrum
D
emission lines
5) When you look at white light through a glass prism, you see a rainbow of colors called a
A
light-year
B
spectrum
C
spectrograph
D
parallax
6) The color of a star depends on its
A
magnitude
B
size
C
temperature
D
shape
7) What color are the hottest stars?
A
blue
B
red
C
orange
D
yellow
8) What can a scientist learn about a star from its spectrum?
A
its size
B
its age
C
its color
D
its composition and temperature
9) A star’s magnitude refers to its
A
brightness
B
temperature
C
size
D
age
10) Which star is a cool star?
A
a blue star
B
a red star
C
a purple star
D
a white star
11) The actual brightness of a star is called
A
absolute magnitude
B
apparent magnitude
C
parallax
D
light-year
12) Why is it hard to see stars move?
A
They are too far away.
B
They move too fast.
C
They move too slow.
D
They do not move.
13) Astronomers use these numbers to represent dimmer stars.
A
positive
B
negative
14) Astronomers use these numbers to represent brighter stars.
A
negative
B
positive
15) What unit of measurement do astronomers use to determine distances from Earth to the stars?
A
year
B
yard
C
light-year
D
mile
*select an answer for all questions
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