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Gen Sci Ch 39
Test Description: Universe
Instructions: Answer all questions to get your test result.
1) What were constellations used for?
A
calendars for planting crops
B
creating myths and legends
C
all of the above
D
navigation aids
2) What *wanders* across the night sky?
A
stars
B
asteroids
C
planets
D
comets
3) Stars begin their life cycles in
A
a protostar
B
a black hole
C
a nebula
D
a supernova
4) In a star, ___ nuclei fuse to ___ nuclei
A
helium, carbon
B
oxygen, carbon
C
hydrogen, oxygen
D
hydrogen, helium
5) What a star is made of depends on
A
the color of a star
B
the age of the universe
C
the size of the star
D
the mass of the star
6) What determines the life cycle of a star?
A
the color of a star
B
the age of the universe
C
the amount of exercise a star gets
D
the mass of a star
7) What is a planetary nebula?
A
a storm on a planet's surface
B
where stars are born
C
where planets are formed
D
a shell around a dying star
8) What kind of stars turn into black holes?
A
high mass stars
B
comets
C
average mass stars
D
low mass stars
9) Who was responsible for the Big Bang Theory?
A
Copernicus
B
Albert Einstein
C
Frank Drake
D
Edwin Hubble
10) The Big Bang Theory marked the beginning of...
A
space
B
time and space
C
time
D
nothing
11) An imaginary sphere surrounding Earth to which the stars are attached
A
protostar
B
celestial sphere
C
black hole
D
irregular galaxy
12) A galaxy with a distorted, nonsymmetrical shape as occurs when two galaxies are close to each other or in the process of colliding.
A
spiral galaxy
B
irregular galaxy
C
sombrero galaxy
D
elliptical galaxy
13) An event wherein a white dwarf suddenly brightens and appears as a *new* star
A
constellation
B
red giant
C
nova
D
black hole
14) Why do the stars move across the sky at night?
A
the stars orbit the sun like we do
B
the stars are flying across the universe
C
the stars are really airplanes
D
the stars don't move, Earth does.
15) SETI...
A
is using radio telescopes to *listen* for communication from other planets
B
is searching for extra-terrestrial life
C
all of the above
D
has not been successful to date.
16) The remains of a giant star that has collapsed on itself, so dense, and with a gravitational field so intense, that light itself cannot escape from it
A
white dwarf
B
black hole
C
red giant
D
supernova
17) A group of stars that forms an identified pattern
A
light-year
B
galaxy
C
constellation
D
celestial sphere
18) A large assemblage of stars, interstellar gas, and dust held together by gravity
A
galaxy
B
nebula
C
stars
D
constellation
19) The Milky Way is a...
A
spiral galaxy
B
spherical galaxy
C
irregular galaxy
D
elliptical galaxy
20) What is the process by which a star *ignites*?
A
thermonuclear magnetism
B
thermonuclear fusion
C
thermonuclear ignition
D
thermonuclear fission
*select an answer for all questions
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