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Stars #3
Test Description: Features of the sun, element overview, early astronomers
Instructions: Answer all questions to get your test result.
1) What layer is visible only during a total solar eclipse?
A
core
B
corona
C
supernova
D
nebula
2) In what layer of the sun are the granules created?
A
the radiative zone
B
the convective zone
C
the core
D
the chromosphere
3) What layer is the inner layer of the sun's atmosphere; the visible surface of the sun?
A
radiative zone
B
photosphere
C
corona
D
chromosphere
4) The distance between one peak and the next in a wave of the electromagnetic spectrum, or between one trough and the next is the _______________.
A
Hertz
B
amplitude
C
wavelength
D
frequency
5) What star results when a white dwarf stops giving off energy?
A
planetary nebula
B
red dwarf
C
black hole
D
black dwarf
6) What object in space has gravity is so strong not even light can escape?
A
black hole
B
black dwarf
C
white dwarf
D
stellar nebula
7) What is the the blue-white hot core of a star that is left behind after its outer layers have expanded and drifted out into space?
A
white dwarf
B
black dwarf
C
neutron star
D
red giant
8) What is the location within the Sun where the hot material rises and the cool material falls back inward caused by temperature differences?
A
convective zone
B
core
C
corona
D
radiative zone
9) What are the flame like columns of gas that continually erupt from the lowest layer of the sun's atmosphere?
A
prominences
B
solar flares
C
granules
D
spicules
10) Photons take a random walk
A
in the core.
B
in the convective zone.
C
in the radiative zone.
D
in the corona.
11) _____________ are the tops of convection cells where hot fluid rises up from the interior in the bright areas, spreads out across the surface, cools and then sinks inward along the dark lanes.
A
spicules
B
granules
C
prominences
D
sunspots
12) What is the contracting cloud of gas and dust (the earliest stage of a star's life) called?
A
protostar
B
planetary nebula
C
supernova
D
neutron star
13) _______ is the powerful explosion that occurs when a massive star dies.
A
coronal mass ejection
B
sunspot
C
spicules
D
supernova
14) What star is the small, dense remains of a high-mass star after a supernova?
A
white dwarf
B
black dwarf
C
neutron star
D
red dwarf
15) The higher the frequency of energy on the electromagnetic spectrum, the shorter the wavelength.
A
true
B
false
*select an answer for all questions
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