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Earth Science Review #7 Flashcards | StudBud

Explore/Earth Science Review #7

Earth Science Review #7

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Ascension Christian semester exam review

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Questions 9

Answers

1
A break in rock along which the ground has moved on either side is:
an anticline.
a sinkhole.
a syncline.
a fault.
2
Which instrument do meteorologists use to measure atmospheric pressure?
hygrometer
barometer
thermometer
anemometer
3
What does the letter "H" on a weather map mean?
high winds
high temperature
high pressure
high humidity
4
Which structural feature is common to all arch bridges?
a support subsystem that is completely below the deck
a support subsystem that is partially above the deck
at least one arch shape in the support subsystem
an arch-shaped pathway for crossing the bridge
5
Earthquakes release large amounts energy in the Earth's crust.Where does this energy come from?
the movement of tectonic plates
the gravitational attraction of the Moon
strong water currents in the ocean
intense radiation from the Sun
6
What feature occurs where plates converge?
mountain ranges
mid-ocean ridges
strike slip faults
rift valleys
7
Which type of load is every bridge designed to carry?
a live load only, with no dead load
a dead load and any amount of live load
a dead load plus a certain maximum live load
a dead load only, with no live load
8
A beam bridge would be a very poor choice for a bridge that crosses
a narrow stream.
a wide, shallow lake.
a wide, very deep ocean basin.
a two-lane highway.
9
If you add a concrete barrier between the east & westbound lanes of a highway bridge, it would?
increase the live load of the bridge.
decrease the shear forces on the bridge.
decrease the tension and compression forces on the deck.
increase the dead load of the bridge.