WorksheetsCelebration of Knowledge: STARS!
Total questions: 29
Worksheet time: 15mins
Name
Class
Date
1.
The Sun maintains its size because of equilibrium of….?
a)
Fission and fusion
b)
Pressure and gravity
c)
Light and dark
d)
Conduction and convection
2.
How is energy transported outward from the Sun’s core?
a)
Magnetism
b)
Aberration
c)
Diffusion
d)
Radiation
3.
The hottest region of the Sun’s atmosphere is called the…?
a)
Cloaca
b)
Corona
c)
Cotyledon
d)
Corbin
4.
What takes place in the Sun’s core?
a)
Fusion
b)
Filtration
c)
Friction
d)
Fission
5.
Who was the German-American physicist that figured out how the sequence of nucleus reactions in the Sun works?
a)
Henry Norris Russell
b)
Hans Bethe
c)
Albert Einstein
d)
Niels Henrik Bohr
6.
What very-light and subatomic particle is emitted from a star like our Sun as a byproduct of fusion?
a)
Planck
b)
Tardigrade
c)
Neutrino
d)
Chromomatter
7.
What Earthly event is caused by the solar wind at solar maximum?
a)
Northern lights
b)
Global warming
c)
Low tide
d)
Tsunamis
8.
How long is the sunspot cycle?
a)
1 year
b)
11 years
c)
100 years
d)
111 years
9.
What NASA mission failed do to the earthly effects of solar maximum?
a)
Apollo 13
b)
Apollo-Soyuz
c)
STS-51-L Challenger
d)
SkyLab
10.
What phase of star will our Sun become next?
a)
Blue supergiant
b)
Black hole
c)
Red giant
d)
White dwarf
11.
What are the spectral types in order from greatest in luminosity to least?
a)
O, B, A, F, G, K, M
b)
F, A, G, M, O, K, B
c)
B, A, M, F, K, O, G
d)
A, B, F, G, K, M, O
12.
What is the densest element massive stars can produce before becoming unstable?
a)
Gold
b)
Iron
c)
Silicon
d)
Carbon
13.
What two astronomers established a diagram for comparing star types?
a)
Hepburn and Grant
b)
Hertzsprung and Russell
c)
Barnum and Bailey
d)
Shoemaker and Levy
14.
What is the Sun's luminosity value on this diagram's scale?
a)
0
b)
1
c)
10
d)
100
15.
True or False: Most main sequence stars are stable.
a)
True
b)
False
16.
True or False: Stars evolve at a rate observable within a human lifetime.
a)
True
b)
False
17.
True or False: The first generation of stars contained no carbon.
a)
True
b)
False
18.
True or False: Some supergiants have diameters as large as the orbit of Mars.
a)
True
b)
False
19.
The vast majority of stars are _______________ in mass to our Sun.
a)
Smaller
b)
Greater
20.
Which of the following is NOT a value measured on the H-R Diagram?
a)
Spectral Class
b)
Temperature
c)
Distance
d)
Luminosity
21.
Black holes have such great ______________ that even lights cannot escape them.
a)
Girth
b)
Gravity
c)
Grandeur
d)
Granulation
22.
Stars 0.4 to 8 times the mass of our Sun will expel their outer atmospheres upon their death creating this phenomenon.
a)
Supernova
b)
Aurora Borealis
c)
Oort Clouding
d)
Planetary Nebulas
23.
What is the ending fate of a star less than 8 times the mass of our Sun?
a)
Red dwarf stage
b)
White dwarf stage
c)
Red giant stage
d)
Black hole
24.
Stars greater than 8 times the mass of our Sun collapse in on themselves upon death creating this phenomenon.
a)
Supernova
b)
Planetary Nebulas
c)
Aurora Borealis
d)
Oort Clouding
25.
What is an ending fate of a star greater than 8 times the mass of our Sun?
a)
Red dwarf stage
b)
White dwarf stage
c)
Red giant stage
d)
Black hole
26.
Label part 6
a)
#6 Prominences
b)
#6 Corona
c)
#6 Sunspots
d)
#6 Photosphere
27.
Name this phenomenon that occurs on the surface of photosphere.
a)
Granule
b)
Sunspots
c)
Prominence
d)
Solar flare
28.
This is the final layer of the sun's atmosphere. It appears as a halo around the moon during a solar eclipse.
a)
Crown
b)
Corona
c)
Photosphere
29.
a brief burst of energy from the sun’s photosphere
a)
corona
b)
solar flare
c)
solar wind
d)
photosphere
100 %
