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