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Astronomy Part 2 - Segment 1
Test Description: This content relates to the Astronomy Part 2 Unit
Instructions: Answer all questions to get your test result.
1) Which of these best describes the composition of a nebula such as the Crab Nebula?
A
ice crystals
B
planets and moons
C
cloud of gas and dust
D
large asteroids
2) Which of the following planets has the fastest orbital velocity?
A
Pluto
B
Mars
C
Mercury
D
Jupiter
3) Which sequence correctly lists the relative sizes from smallest to largest?
A
Solar System, the Universe, Milky Way Galaxy
B
Milky Way Galaxy, Solar System, the Universe
C
the Universe, Solar System, Milky Way Galaxy
D
Solar System, Milky Way Galaxy, the Universe
4) Photography of the surface of Mars reveal the presence of shifting sand dunes.
A
This indicates the presence of winds on Mars.
B
This indicates the presence of magnetic pole reversals on Mars.
C
This indicates the presence of precipitation on Mars.
D
This indicates the presence of plate tectonics on Mars.
5) What separates the inner planets from the outer planets?
A
the Sun
B
the Asteroid Belt
C
the Oort Cloud
D
the comets
6) Very old Lunar craters still exist; however, those on Earth have been erased. Why?
A
There is only erosion by wind on the Moon.
B
There are no erosional forces on the Moon.
C
Earth's erosional forces are different.
D
The Moon only experiences gentle rain.
7) What causes the seasons on Earth?
A
the 23.5 degree tilt of Earth's axis
B
Earth's circular orbit
C
differences in the surface features on Earth
D
Earth's Moon
8) Why does the same side of the Moon always face Earth?
A
the gravitational pull of the Earth varies as the Moon orbits Earth
B
its period of rotation and period of revolution are the same length
C
it goes through two rotations for each revolution arount Earth
D
the other side is made of cheese
9) The gravitational pull of the Moon is the main cause of the
A
daily tides on Earth.
B
winds on Earth.
C
lunar eclipse.
D
Coriolis Effect.
10) Which statement provides evidence that Earth revolves around the Sun?
A
The Sun follows an apparent arc across the sky.
B
The stars appear to circle the Earth during the night.
C
Different star constellations are visible at different seasons.
D
The Coriolis Effect causes winds to curve differently.
*select an answer for all questions
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