Orbiting Bodies' Properties Quick Check
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Question
The table shows properties of some planets in the solar system.
Property Venus Earth Mars Jupiter Saturn Neptune
Average Distance from the Sun (AU) 0.72 1.0 1.5 5.2 9.5 30
Length of Year (Earth years) 0.62 1.0 1.9 11.9 29.4 164.8
Time for One Rotation (Earth days) 243 1.0 1.03 0.41 0.44 0.67
Mass (compared to Earth) 0.80 1.0 0.1 318 95 17
Surface Gravity (compared to Earth) 0.90 1.0 0.38 2.53 1.06 1.14
Size (compared to Earth) 0.94 1.0 0.53 11.0 9.1 3.9
Average Surface Temperature (ºC) 462 14 –62 –145 –140 –214
Number of Moons 0 1 2 79 82 14
The weight of an object depends on the force of gravity acting on it. On which planet would a given object weigh the most?
(1 point)
Responses
Mars
Mars
Saturn
Saturn
Jupiter
Jupiter
Earth
Earth
Which of the following best explains why Mars' and Venus' surface temperatures vary, despite both planets having atmospheres that contain mostly carbon dioxide?(1 point)
Responses
Venus has a surface of high mountains which absorb heat.
Venus has a surface of high mountains which absorb heat.
Mars has a surface of red rocks and sand which reflect heat.
Mars has a surface of red rocks and sand which reflect heat.
Venus has a thick atmosphere which blocks heat from the surface.
Venus has a thick atmosphere which blocks heat from the surface.
Mars has a thin atmosphere that cannot hold much heat.
Mars has a thin atmosphere that cannot hold much heat.
Which of the following best explains why Mars' and Venus' surface temperatures vary, despite both planets having atmospheres that contain mostly carbon dioxide?
On Jupiter, a given object would weigh the most.
To determine on which planet a given object would weigh the most, we need to look at the surface gravity of each planet. The surface gravity is a measure of the strength of the gravitational force acting on an object.
Looking at the table, we can see that the surface gravity of Mars is 0.38 compared to Earth, whereas Saturn has a surface gravity of 1.06. Jupiter has the highest surface gravity at 2.53, while Earth has a surface gravity of 1.0.
Therefore, the object would weigh the most on Jupiter, as it has the highest surface gravity compared to the other planets listed in the table. So the correct answer is Jupiter.