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WorksheetsThe Sun, Moon, and Stars
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is the approximate age of the Sun?
a)
2 million years old
b)
15 million years old
c)
4.5 billion years old
d)
6 billion years old
2.
Our Sun is currently in what stage of its life cycle?
a)
Stellar nebula
b)
Main sequence
c)
Red giant
d)
White dwarf
3.
On which layer of the Sun do sunspots occur?
a)
Convective layer
b)
Photosphere
c)
Chromosphere
d)
Corona
4.
Approximately how long is one solar or sunspot cycle?
a)
11 years
b)
222 years
c)
150,000 years
d)
2 million years
5.
A large, spherical celestial object that is held together by its own gravity and is undergoing nuclear fusion.
a)
Planet
b)
Moon
c)
Star
d)
Dwarf planet
6.
A nuclear reaction that is caused by combining or fusing two elements, which results in the creation of a great amount of energy.
a)
Nuclear fission
b)
Nuclear fusion
c)
Combustion
d)
Convection
7.
The composition of the Moon most closely resembles
a)
the Earth's crust
b)
the Earth's mantle
c)
the Earth's core
d)
the planet Mars
8.
The craters on the Moon's surface were formed by
a)
an impact with the Earth
b)
meteorites and asteroid impacts
c)
volcanic eruptions
d)
basaltic rocks
9.
The age of the Moon is approximately
a)
100 million years old
b)
4.5 billion years old
c)
20 billion years old
d)
unknown
10.
Which phase of the Moon occurs halfway in the orbit of the Moon around the Earth?
a)
New moon
b)
Waxing gibbous
c)
Full moon
d)
Waning crescent
11.
When the Moon passes in front of the Sun, which occurs?
a)
A lunar eclipse
b)
A solar eclipse
c)
An annular eclipse
d)
No eclipse
12.
When the Moon is completely covered within the Earth's umbra, which occurs?
a)
A lunar eclipse
b)
A solar eclipse
c)
An annular eclipse
d)
No eclipse
13.
The high tides that occur at both the New Moon and the Full Moon phases are called
a)
Flood tides
b)
Neap tides
c)
Ebb tides
d)
Spring tides
14.
The time it takes for the Moon to make one complete orbit of the Earth, approximately 28 days.
a)
Lunar eclipse
b)
Moon phases
c)
Lunar month
d)
Leap year
15.
Which motion causes the Moon to appear as though it is changing its shape throughout the lunar month?
a)
The rotation of the Moon on its axis
b)
The revolution of the Moon around the Earth
c)
The rotation of the Sun on its axis
d)
The revolution of the Sun around the Moon
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