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