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SCIN 134 Final Exam Questions and Answers

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SCIN 134 Final Exam Questions and Answers The phases of the Moon are caused by the Earth's shadow falling on the surface of the Moon. - ANSWER-False Earth would rotate at a much slower rate if the Moon did not exist. - ANSWER-False The force of gravity between two objects is attractive and dep...

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  • November 4, 2024
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KaylinHoffman
Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024




SCIN 134 Final Exam Questions and

Answers


The phases of the Moon are caused by the Earth's shadow falling on the surface of the Moon. -

ANSWER✔✔-False


Earth would rotate at a much slower rate if the Moon did not exist. - ANSWER✔✔-False


The force of gravity between two objects is attractive and depends only on the mass of the larger object,

not of the smaller object. - ANSWER✔✔-False


An astronomical unit (AU) is the distance between the Earth and the Moon. - ANSWER✔✔-False


An ice skater increases her momentum when she pulls her arms inward during a spin. - ANSWER✔✔-

False


About 10 Earths would fit across Jupiter. - ANSWER✔✔-True


If the radius of the Earth were to double, the force of gravity at the Earth's surface would be half as

strong as it is currently. - ANSWER✔✔-False


A more massive object requires a larger force to accelerate to the same speed as a less massive object. -

ANSWER✔✔-True


Every day, an observer experiences _____ high tides and __ low tides. - ANSWER✔✔-Two; Two


Why was adaptive optics developed? - ANSWER✔✔-To compensate for image distortion caused by

Earth's atmosphere.

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,Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024


Why do solar eclipses not occur every month? - ANSWER✔✔-The Moon's orbit is tilted with respect to

the plane of the Earth's orbit.


The main reason for placing astronomical telescopes and detectors on satellites is to: - ANSWER✔✔-get

above the absorption in Earth's atmosphere


If you were to be sent to the Moon, which of your physical properties would be altered noticeably? -

ANSWER✔✔-Weight


Every day, the stars rise: - ANSWER✔✔-four minutes earlier than they rose the previous day


According to Kepler's second law, an object in an elliptical orbit around the Sun is traveling fastest when

it is at what position? - ANSWER✔✔-perihelion, closest point to the Sun, because it has to move farther

per day at that position.


The striking light and dark colored bands on Jupiter's surface are: - ANSWER✔✔-convection zones where

material is rising and falling from deeper in the atmosphere.


The correct sequence of planets in our solar system from the Sun outward is: - ANSWER✔✔-Mercury,

Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune


Earth's magnetic field is caused by: - ANSWER✔✔-electric currents flowing in the liquid core


There are very few craters on Earth's surface compared to the surface of the Moon. The primary reason

for this is: - ANSWER✔✔-The Earth's surface is continually renewed by geological activity.


The polar caps on Mars are most likely made up of: - ANSWER✔✔-water and CO2 ices.


The Venusian atmospheric pressure is: - ANSWER✔✔-about 90 times greater than that of Earth's

atmospheric pressure


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Where is ice believed to have been discovered on the Moon? - ANSWER✔✔-in the floors of craters at the

north and south poles, which are permanently shaded from the Sun


Lunar surfaces with higher cratering surface densities are ________ compared to lunar surfaces with

lower cratering surface densities. - ANSWER✔✔-older


Sunspots are _________ because they have __________ temperatures compared to the solar gas

surrounding them. - ANSWER✔✔-darker; lower


Which of the following surface features is NOT an indication that there may have been liquid water on

the surface of Mars in the past? - ANSWER✔✔-impact craters


Space weather can cause all of the following except: - ANSWER✔✔-hurricanes and thunderstorms on

Earth


Which of the following has placed Martian rocks in the hands of scientists on Earth? - ANSWER✔✔-

Meteorites collected from Antarctica, the gases within them indicating that they were blasted from Mars

by an impact


Which is the thickest interior layer of the Earth? - ANSWER✔✔-Mantle


Which is the thinnest interior layer of the Earth? - ANSWER✔✔-Crust


According to the theory of plate tectonics, which type of boundary commonly results in earthquakes? -

ANSWER✔✔-Convergent


According to the theory of plate tectonics, which type of boundary produced the Mid-Atlantic Ridge? -

ANSWER✔✔-Divergent


In which atmospheric layer are almost all water-based clouds formed? - ANSWER✔✔-troposphere


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