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WorksheetsHMS Space Science
Total questions: 20
Worksheet time: 4mins
Name
Class
Date
1.
a)
elliptical galaxy
b)
irregular galaxy
c)
spiral galaxy
d)
helium galaxy
2.
a)
elliptical galaxy
b)
irregular galaxy
c)
spiral galaxy
d)
helium galaxy
3.
a)
elliptical galaxy
b)
irregular galaxy
c)
spiral galaxy
d)
helium galaxy
4.
The milky way is a(n) __________ galaxy.
a)
elliptical
b)
irregular
c)
spiral
d)
ellipsis
5.
What is at the center of our galaxy?
a)
earth
b)
sun
c)
black hole
d)
black dwarf
6.
A star begins its life-cycle as a ____________
a)
nebula
b)
black hole
c)
white dwarf
d)
black dwarf
7.
In its final stage, a low-mass star will exist as a ______________.
a)
red giant
b)
super giant
c)
neutron star
d)
black dwarf
8.
A high-mass star will eventually form into a ______________.
a)
red giant
b)
supernova
c)
white dwarf
d)
black dwarf
9.
A _________ will exert a gravitational force so strong that nothing (not even light) can escape!
a)
red giant
b)
super giant
c)
black hole
d)
black dwarf
10.
The two most common gases found in stars (their main fuel sources) are _____________________.
a)
hydrogen and iron
b)
uranium and sodium
c)
hydrogen and helium
d)
argon and lithium
11.
The layer of the sun that gives off visible light is called the ____________________.
a)
convection zone
b)
photosphere
c)
core
d)
corona
12.
The layer of the sun where gases constantly rise and fall is called the ______________.
a)
convection zone
b)
photosphere
c)
core
d)
corona
13.
Which Theory?
The universe has always been the same. As it expands, new matter is created to maintain density.
The universe has always been the same. As it expands, new matter is created to maintain density.
a)
Steady State
b)
Big Bang
c)
Oscillating Model
d)
Elliptical Model
14.
Which Theory?
The universe follows a cycle of expansion and contraction.
The universe follows a cycle of expansion and contraction.
a)
Steady State
b)
Big Bang
c)
Oscillating Model
d)
Elliptical Model
15.
Which Theory?
The universe started with an explosion that sent matter into space, and it continues to expand today.
The universe started with an explosion that sent matter into space, and it continues to expand today.
a)
Steady State
b)
Big Bang
c)
Oscillating Model
d)
Elliptical Model
16.
In what unit is star "brightness" measured?
a)
volts
b)
magnitudes
c)
watts
d)
lightyears
17.
A star's _______________ brightness is the brightness as seen from Earth.
a)
apparent
b)
actual
c)
absolute
d)
volteic
18.
A star's _______________ brightness is the brightness a star would have if it were at a standard distance from Earth.
a)
apparent
b)
actual
c)
absolute
d)
volteic
19.
a)
low-mass star
b)
high-mass star
c)
low-mass asteroid
d)
high-mass planet
20.
a)
low-mass
b)
high-mass star
c)
low-mass asteriod
d)
high-mass planet
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