Physical Setting - Science Worksheet Page 6
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2827 The symbols below represent two planets.
represents a planet with a mass 5 times Earth’s mass.
5
9
represents a planet with a mass 9 times Earth’s mass.
Which combination of planet masses and distances produces the greatest gravitational force between the
planets?
9
9
5
5
6
6
×
×
100
10
km
100
10
km
( 1 )
( 3 )
9
9
5
5
6
6
×
×
200
10
km
200
10
km
( 2 )
( 4 )
28 The diagram below represents the circulation of air above Earth’s surface at a coastal location during the
day and at night.
Day
Night
Land
Water
Land
Water
This local air movement is best described as an example of
(1) conduction between Earth’s surface and the atmosphere above it
(2) condensation of water vapor during the day, and evaporation of water during the night
(3) convection resulting from temperature and pressure differences above land and water
(4) greater radiation from the warmer ocean during the day and from the warmer land at night
[6]
P.S./E. Sci.–Aug. ’15
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