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WorksheetsThe Universe
Total questions: 18
Worksheet time: 10mins
Name
Class
Date
1.
Which of the following is hottest?
a)
a red giant superstar
b)
a small, white dwarf
c)
a main-sequence yellow star
d)
a main-sequence blue star
2.
Which component from the table above is MOST likely a galaxy?
a)
Component 1
b)
Component 2
c)
Component 3
d)
Component 4
3.
Which component from the table above is MOST likely a solar system?
a)
Component 4
b)
Component 2
c)
Component 1
d)
Component 3
4.
What is the most useful unit for measuring distances within the solar system?
a)
the kilometer
b)
the astronomical unit
c)
the light-year
d)
he parsec
5.
Venus appears very bright in the night sky because it ...
a)
is the largest planet.
b)
is the closest planet to Earth.
c)
has a gravitational field.
d)
has a high surface temperature.
6.
What is the main difference between an asteroid and a meteoroid?
a)
their effect on Earth
b)
the size of the body
c)
their density
d)
the shape of the orbits
7.
Where would scientists find a meteoroid?
a)
Space
b)
Earth's Atmosphere
c)
Earth's surface
d)
None of these
8.
Where would scientists find a meteorite?
a)
Space
b)
Earth's Atmosphere
c)
Earth's surface
d)
None of these
9.
Scientists think the Milky Way probably is
a)
a nebula
b)
a spiral galaxy
c)
an elliptical galaxy
d)
an irregular galaxy
10.
Which of the following stars would be seen as the brightest star?
a)
Alpheratz, which has an apparent magnitude of 2
b)
Alcyone, which has an apparent magnitude of 3
c)
Deneb, which has an apparent magnitude of 1
d)
Sirius, which has an apparent magnitude of -1
11.
Our nearest star neighbor, Proxima Centauri, is 4 light years away from Earth. How old is the light by the time we see it?
a)
4,000 years-old
b)
400 years-old
c)
4 years-old
d)
40 years-old
12.
Which body in the table is an asteroid?
a)
Body W
b)
Body X
c)
Body Z
d)
Body Y
13.
Which body in the table is a comet?
a)
Body x
b)
Body y
c)
Body z
d)
Body W
14.
Which object in the table is a moon?
a)
Body X
b)
Body Z
c)
Body Y
d)
Body W
15.
Explain why the sun and moon appear to be the same size even though the sun is much larger.
a)
The sun appears smaller next to the larger moon.
b)
The moon is closer to the Earth than the sun.
c)
The moon revolves faster than the earth.
d)
The sun and the moon are the same distance from Earth.
16.
Two stars have the same absolute magnitude. Why does one appear brighter than the other?
a)
one is closer to Earth so it appears brighter
b)
they are the same distance from Earth so they have the same absolute magnitude
c)
the one that appears brighter is not covered by clouds
d)
one is farther away from Earth so it appears brighter
17.
What conclusion is supported by these data?
a)
Mars has the greatest diameter.
b)
Mercury is hotter than Venus.
c)
Earth is farther from the sun than Mars.
d)
Neptune has the longest orbit.
18.
Select the picture that represents a spiral galaxy.
a)
A
b)
B
c)
C
d)
D
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