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WorksheetsUnit 1 Review
Total questions: 35
Worksheet time: 18mins
Name
Class
Date
1.
The spectrum of an element is
a)
identical to all other elements
b)
random and changing
c)
unique to each element
d)
the complete electromagnetic spectrum
2.
The Sun is a _ star.
a)
White Dwarf
b)
Giant
c)
Nebula
d)
Main sequence
3.
When a star runs out of hydrogen, it starts to become a _ star.
a)
supernova
b)
main sequence
c)
giant
d)
nebula
4.
The graph that shows where a star is in its life cycle, is the
a)
HR diagram
b)
Bowen's reaction series
c)
Mohs scale
d)
Ternary phase diagram
5.
This element is the last that a star can fuse before it completely dies.
a)
Iron
b)
Carbon
c)
Helion
d)
Oxygen
6.
What color are the highest temperature stars?
a)
Red
b)
Green
c)
Blue
d)
Yellow
7.
Almost all other galaxies are...
a)
moving away from our galaxy.
b)
moving towards our galaxy.
c)
staying in the same place.
d)
moving in random directions.
8.
Point of Reference is the idea that the expansion of the universe can be seen...
a)
only in the Milky Way galaxy.
b)
only from Earth.
c)
from anywhere in the universe.
d)
from nowhere in the universe.
9.
Evidence that the universe has cooled over time is
a)
Redshift
b)
Doppler effect
c)
CMB
d)
Fusion
10.
The process that produces energy in a star is
a)
Fusion
b)
Photosynthesis
c)
Entropy
d)
Politics
11.
Stretching of light when the source of light and observer are moving AWAY from each other.
a)
Blueshift
b)
Redshift
c)
Nightshift
d)
Wavelength
12.
Shrinking of light when the source of light and observer are moving TOWARDS each other.
a)
Blueshift
b)
Redshift
c)
Nightshift
d)
Wavelength
13.
In the first moments, the universe was
a)
hot and big
b)
cold and big
c)
hot and small
d)
cold and small
14.
Over time the universe is
a)
expanding
b)
shrinking
c)
staying the same size
d)
unobservable
15.
According to Kepler's First Law, all orbits are in the shape of
a)
an ellipse
b)
a circle
c)
a parabola
d)
a tangent
16.
We measure how stretched an ellipse is by its
a)
semi-major axis
b)
aphelion
c)
perihelion
d)
eccentricity
17.
The closest point a planet is to the sun is called
a)
eccentricity
b)
semi-major axis
c)
aphelion
d)
perihelion
18.
A planet moves slowest at
a)
eccentricity
b)
semi-major axis
c)
aphelion
d)
perihelion
19.
According to Kepler's Third Law the fastest planets have orbits
a)
close to the Sun
b)
far from the Sun
c)
anywhere in the solar system
d)
that do through Disneyland!
20.
If "t" is the same, what is true of the area of A and B?
a)
the same
b)
A is larger
c)
B is larger
d)
impossible to tell
21.
All wavelengths of light combined is the
a)
main sequence
b)
HR diagram
c)
neutrinos
d)
electromagnetic spectrum
22.
Which is NOT a part of an atom?
a)
Proton
b)
Electron
c)
Neutrino
d)
Neutron
23.
The first stage in a star's life is
a)
Giant
b)
Supernova
c)
Nebula
d)
White Dwarf
24.
The spectrum of light coming from a star can tell us the
a)
temperature
b)
brightness
c)
composition
d)
sound
25.
If a star is fusing heavy elements like Carbon or Oxygen, it must be a _ star.
a)
White Dwarf
b)
Nebula
c)
Giant
d)
Main sequence
26.
The main fuel for the Sun is
a)
Hydrogen
b)
Helium
c)
Carbon
d)
Iron
27.
In this image, parts "a" and "b" represent
a)
Hydrogen
b)
Helium
c)
Energy
d)
Fusion
28.
in this image, part "c" represents
a)
Hydrogen
b)
Helium
c)
Energy
d)
Fusion
29.
In this image, part "d" represents
a)
Hydrogen
b)
Helium
c)
Energy
d)
Fusion
30.
The farthest point in a planet's orbit is the
a)
Perihelion
b)
Aphelion
c)
Focus
d)
Eccentricity
31.
In the diagram, point A represents the
a)
Perihelion
b)
Aphelion
c)
Ellipse
d)
Focus
32.
In the diagram, the Sun represents
a)
one focus
b)
the eccentricity
c)
the aphelion
d)
the perihelion
33.
The atoms such as Carbon and Iron in your body came from...
a)
ancient stars that exploded.
b)
the Sun sent them to Earth.
c)
the moon.
d)
the Big Bang.
34.
The explosive death of a star is a
a)
supernova
b)
nebula
c)
main sequence
d)
giant
35.
According to this diagram, the planet is moving fastest at
a)
A
b)
B
c)
C
d)
D
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