The Solar System Unit Test
1 of 81 of 8 Items
Question
Asteroids are mostly made up of which of the following? Select the two correct answers.(1 point)
Responses
ice
ice
rock
rock
gas
gas
metals
rock
metals
The Solar System Unit Test
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Question
Which of the following primarily make up comets? Select the two correct answers.(1 point)
Responses
ice
ice
metal
metal
gas
gas
carbon dioxide
ice
gas
The Solar System Unit Test
3 of 83 of 8 Items
Question
Planets that are made of rocks, minerals, and metals are called(1 point)
Responses
ice giants.
ice giants.
gas giants.
gas giants.
exoplanets.
exoplanets.
terrestrial planets.
terrestrial planets.
The Solar System Unit Test
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Question
Why does a comet make a bright trail in the night sky? (1 point)
Responses
A comet gives off light because of the mineral composition of the rocks from which the comet is formed.
A comet gives off light because of the mineral composition of the rocks from which the comet is formed.
A comet is made of ice, dust and gas that vaporize as the comet moves closer to the sun, leaving a trail.
A comet is made of ice, dust and gas that vaporize as the comet moves closer to the sun, leaving a trail.
A comet is made of rock, which burns and lights up as the comet moves faster in the atmosphere.
A comet is made of rock, which burns and lights up as the comet moves faster in the atmosphere.
A comet produces an optical illusion of a bright trail due to the layers of Earth’s atmosphere.
A comet produces an optical illusion of a bright trail due to the layers of Earth’s atmosphere.
A comet is made of ice, dust and gas that vaporize as the comet moves closer to the sun, leaving a trail.
What makes Uranus unique as a planet?(1 point)
Responses
It spins in the opposite direction as the Earth.
It spins in the opposite direction as the Earth.
It rotates sideways due to the extreme tilt of its axis.
It rotates sideways due to the extreme tilt of its axis.
It has no day and night cycle.
It has no day and night cycle.
It has the slowest rotation period of any planet.
It has the slowest rotation period of any planet.
It rotates sideways due to the extreme tilt of its axis.
The Solar System Unit Test
6 of 86 of 8 Items
Question
Which statement describes what it means for a planet’s orbit to be elliptical?(1 point)
Responses
The planet’s path around the sun is shaped like a perfect circle.
The planet’s path around the sun is shaped like a perfect circle.
The planet’s path around the sun is not a perfect circle and is shaped like an oval.
The planet’s path around the sun is not a perfect circle and is shaped like an oval.
The planet’s axis is tilted.
The planet’s axis is tilted.
The planet’s axis is not tilted and is oriented vertically.