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SCIN 134 Final UPDATED ACTUAL Exam Questions and CORRECT Answers

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SCIN 134

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SCIN 134

SCIN 134 Final UPDATED ACTUAL Exam Questions and CORRECT Answers The phases of the Moon are caused by the Earth's shadow falling on the surface of the Moon. - CORRECT ANSWER- False Earth would rotate at a much slower rate if the Moon did not exist. - CORRECT ANSWER- False The force of gravi...

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Institution SCIN 134
Course SCIN 134

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SCIN 134 Final UPDATED ACTUAL Exam
Questions and CORRECT Answers
The phases of the Moon are caused by the Earth's shadow falling on the surface of the Moon.
- CORRECT ANSWER- ✔✔False

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

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

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

About 10 Earths would fit across Jupiter. - CORRECT 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. - CORRECT ANSWER- ✔✔False

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

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

Why was adaptive optics developed? - CORRECT ANSWER- ✔✔To compensate for image
distortion caused by Earth's atmosphere.

,Why do solar eclipses not occur every month? - CORRECT 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: -
CORRECT 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? - CORRECT ANSWER- ✔✔Weight

Every day, the stars rise: - CORRECT 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? - CORRECT 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: - CORRECT 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: - CORRECT
ANSWER- ✔✔Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

Earth's magnetic field is caused by: - CORRECT 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: - CORRECT ANSWER- ✔✔The Earth's surface is continually
renewed by geological activity.

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

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

, Where is ice believed to have been discovered on the Moon? - CORRECT 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. - CORRECT ANSWER- ✔✔older

Sunspots are _________ because they have __________ temperatures compared to the solar
gas surrounding them. - CORRECT 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? - CORRECT ANSWER- ✔✔impact craters

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

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

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

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

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

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

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