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Astronomy Chapter 3
Test Description: Review for Chapter 3
Instructions: Answer all questions to get your test result.
1) How long a star lives depends on
A
its temperature
B
whether it is single or binary
C
its color
D
its mass
2) A light-year is a unit of ____
A
absolute magnitude
B
time
C
mass
D
distance
3) Parallax can't be used on a star if the star is too
A
far
B
small
C
bright
D
close
4) The Heretzsprung-Russell diagram graphs a stars
A
distance and brightness
B
brightness and temperature
C
diameter and brightness
D
brightness and absolute magnitude
5) The earliest stage of a star's life is
A
giant star
B
quasar
C
protostar
D
white dwarf
6) A star begins in a
A
nebula
B
black hole
C
red giant
D
distant galaxy
7) A neutron star that appears to produce pulses of radio waves
A
quasar
B
pulsar
C
black hole
D
binary system
8) Which of the following is not part of the electromagnetic spectrum?
A
X-rays
B
sound waves
C
radio waves
D
infrared radiation
9) Patterns of stars in the sky are called
A
galaxies
B
observatories
C
star systems
D
constellationa
10) The distance between the crest of one wave of electromagnetic radiation and the crest of the next one is its
A
frequency
B
wavelength
C
color
D
spectrum
11) When a star runs out of fuel, it CANNOT become a
A
black hole
B
protostar
C
neutron star
D
white dwarf
12) A star system in which one star blocks the light from another is called
A
black hole
B
constellation
C
eclipsing binary
D
nebula
13) A device used to collect radio waves from objects in space is called
A
refracting telescope
B
recycled telescope
C
radio telescope
D
reflecting telescope
14) Newton invented
A
the refracting telescope used to show the Earth revolves around the sun
B
reflecting telescope, the type used by astronomers today
C
reflecting telescope used to collect radio waves
D
the H-R Diagram
15) A star nursery where new stars are born
A
neutron
B
nuclear fusion
C
nebula
D
universe
16) Nuclear fusion results when
A
a star runs out of fuel
B
planets glow at night
C
gases and dust rotate and are pressed together by strong gravity
D
atoms are split apart
17) A quasar is a type of
A
star
B
pulsar
C
universe
D
galaxy
18) The hottest stars are
A
red-orange in color
B
violet in color
C
yellow in color
D
blue-white in color
19) Brightness of a star as seen from Earth
A
apparent magnitude
B
absolute magnitude
20) Our sun is a
A
old star
B
red giant
C
main sequence star
D
white dwarf
*select an answer for all questions
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