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2nd Semester Earth Science Review Flashcards | StudBud
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2nd Semester Earth Science Review
2nd Semester Earth Science Review
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Short Review for ES 2nd Semester 2016
Flashcards
26 cards
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Practice quiz
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Questions
26
Answers
1
Seismologists record arrival times of P waves & S waves at 3 stations, they are looking for
Magnitude
Focus
Intensity
Epicenter
2
How does the structure of Earth’s interior affect seismic waves?
It can affect the speed and direction of seismic waves.
It can increase the power of seismic waves exponentially.
It can change seismic waves into dangerous earthquakes.
It can send seismic waves into shadow zones and seismic gaps
3
Of the following Group 2 elements, which is the most reactive?
Mg
Be
Ba
Sr
4
Modern climates are a result of past movements of
populations of organisms.
rain and snow.
tectonic plates.
heat in Earth’s interior.
5
Why do we continue to use fossil fuels amid global concerns for the environment?
Solar only works in certain areas
Nuclear is unsafe
Hydroelectric/Tidal powers are inefficient
Oil is cheap, convenient, and portable
6
What was the missing mechanism that would have proven Wegener’s hypothesis of continental drift
sea-floor spreading
fossil evidence
geographic evidence
climatic evidence
7
The circular movement of air due to uneven heating is called
conduction
reflection
convection
refraction
8
How does the amount of a rock’s surface area affect weathering?
The smaller the area, the higher the rate of weathering
The rate of weathering is unaffected by the surface area.
The larger the area, the lower the rate of weathering.
The larger the area, the higher the rate of weathering.
9
Breaking a chemical bond _______ energy, while forming a chemical bond _______ energy
requires, releases
forms, burns
burns, forms
releases, requires
10
Which subatomic particles are most involved in chemical bonding?
electrons
neutrons
protons
isotopes
11
Which of the following conditions may cause a lake to disappear?
when sediments are removed from the lake
when evaporation exceeds precipitation
when precipitation exceeds evaporation
when a local water budget is balanced
12
When an ocean plate and a continental plate collide, which would subduct? Why?
The continental plate is to subduct because it is more dense
The continental plate is to slide over the oceanic plate.
oceanic p is to collide with continental p and form mountain
The oceanic plate is to subduct because it is more dense.
13
What is one thing that is directly impacted by human pollution?
The food we eat
The toys that we buy
Cell phones
14
If the atomic number of an element is 6 and its mass number is 14, how many neutrons?
20
14
8
6
15
When ice melts to become water, the energy absobed is known as
insolation
latent heat
ultraviolet radiation
specific heat
16
A positive ion is known as a(n)_______ and a negative ion is known as a(n)______.
anion; valence electron
valence electron; cation
cation; anion
anion; cation
17
What is the main concern regarding human impact in Earth’s oceans?
Overfarming and overfishing
All of the choices listed
Removal of Sharks
Plastic
18
If the weather report says there is 90% humidity, it means that the air
is 90% water vapor.
has 90% as much water vapor as it could hold.
has 10% as much water vapor as it could hold.
is 10% water vapor.
19
The seasons are caused by
the direction Earth’s axis is pointing relative to the Sun.
where the sun is in its sunspot cycle.
greenhouse gases
where Earth is in its orbit.
20
The global winds are created by
The Coriolis effect.
uneven heating of Earth’s surface.
advection.
the location of the jet stream.
21
Within each column, or group, on the periodic table, elements usually have the same number of
mass number
valence electrons
electrons
atomic numbers
22
Of the following factors what is most important when determining lithospheric plates collision?
the length of the boundary
the density of each plate
the size of each plate
the paleomagnetism of the rock
23
Compared with lower altitudes, at higher altitudes the air molecules are
the same density of packing.
less densely packed.
more densely packed.
packed with variable density.
24
Earth owes its moderate temperature to
the tilt of its orbital axis
greenhouse effect
the variety of wavelengths of energy from the sun
insolation
25
The water cycle
has no beginning and has no end.
begins in the oceans and ends in groundwater aquifers.
begins and ends in the oceans.
begins in the atmosphere and ends in the oceans.
26
Open spaces in rock must be connected in order for the rock to be
porous.
permeable.
packed.
fractured.
