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AICE Marine Science AS Level Unit 2 - Earth Processes Flashcards | StudBud
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AICE Marine Science AS Level Unit 2 - Earth Processes
AICE Marine Science AS Level Unit 2 - Earth Processes
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1
What physical properties are associated with hydrothermal vents?
High temperature
High levels of light
High pressure
High levels of minerals
2
Explain how erosion and sedimentation create sandy shores.
Sedimentation carries particles to the shore, where they erode.
Erosion moves particles to beaches, where they deposit.
Fast, strong water action breaks down rock.
The rocks are hard/resistant to weathering.
3
What type of plate boundary involves two tectonic plates moving away from each other?
Antiparallel
Transform
Divergent
Convergent
4
El Niño is caused by the prevailing winds weakening and not moving warm surface waters.
True
False
5
What type of plate boundary involves two or more tectonic plates coming together?
Convergent
Subduction
Transform
Divergent
6
Which type of plate boundary is a hydrothermal vent formed at
Convergent
Divergent
Subduction
Transform
7
Organic weathering occurs when rocks are broken into smaller pieces by living things.
False
True
8
Particle size on a muddy shore is larger than that of a sandy shore.
True
False
9
What type of plate boundary involves plates sliding past each other?
Transform
Destructive
Divergent
Convergent
10
Explain how the diagrams give evidence that seafloor spreading occurs.
Every 250,000 years, Earth's polarity changes.
The youngest rocks are closest to the mid-ocean ridge.
The seafloor contains white and black stripes of rocks.
Magnetic stripes in the seafloor are all the same age.
11
Which type of plate boundary is a volcano formed at?
Convection
Transform
Convergent
Divergent
12
How do weathering and erosion create rocky shores?
Rocky shores develop where rock is broken and carried away.
Sedimentation is the movement of rock particles.
Erosion is the breaking down of rock.
Particles settle to form a sandbar.
13
A large wave created by an underwater earthquake is called a _______.
current
tsunami
tide
hydrothermal vent
14
Erosion is the wearing down of rocks through physical, chemical, or organic means.
False
True
15
The rotation of the earth causing water to curve right in the northern hemisphere and left in the southern hemisphere...
thermohaline circulation
gravity
spring tide
Coriolis effect
16
What type of littoral zone is a partially enclosed, tidal, coastal body of water where freshwater meets saltwater?
Sandy shore
Delta
Muddy shore
Estuary
17
Explain how the alignment of the Moon and Sun affect tidal range.
They affect currents, not tides and tidal range.
The Sun and Moon create the Coriolis effect, which creates tidal ranges.
When the Sun and Moon are in alignment, tidal range is at its max.
Tidal range is greatest when the Sun and Moon are perpendicular.
18
Define 'current.'
The switch in Earth's magnetic field
The rise and fall of the ocean's level
The continuous movement of water in a certain direction
The highest level of the ocean during a full or new moon
19
Hydrothermal vents form when water enters cracks in the seafloor, where it is then heated by magma.
True
False
20
Which of the following is NOT a part of the theory of plate tectonics?
Plate movement is driven by heat/density.
Earth's crust is made up of plates.
Rocks are weathered and eroded.
The plates are constantly moving.
21
La Niña is a cooling phase that follow the opposite conditions of El Niño.
True
False
22
What theory describes one land mass, Pangea, slowly separating over millions of years to form today's land masses?
Plate Tectonics
Seafloor Spreading
Continental Drift
Big Bang
23
Convergent plate boundaries create long, narrow, deep depressions on the seafloor with steep sides called ______.
hydrothermal vents
abyssal plains
mid-ocean ridges
trenches
24
Define 'upwelling.'
Water coming from the ocean's depths up to the surface
Saltwater mixing with freshwater
The movement of cold water
The circular movement of magma in the mantle
25
Based on particle size, muddy shores would deposit more slowly than sandy shores (hint: think about sedimentation lab).
False
True
