Focus On Earth Science: California Grade 6

Chapter 10: Oceans

Standards Review

1.
Deep trenches occur along __________ zones. 7.f
A)continental
B)transform
C)volcanic
D)subduction
2.
Where does the continental shelf begin? 7.f
A)at the bottom of the continental slope
B)at the ocean floor
C)at the shoreline
D)at the mid-ocean ridge
3.
Which is longer, the continental shelf or the continental slope? 7.f
A)Their lengths differ.
B)continental slope
C)They are the same length.
D)continental shelf
4.
What occurs at a mid-ocean ridge? 7.f
A)the continental slope
B)underwater mountains
C)the continental shelf
D)a new seafloor
5.
Density currents occur when __________. 4.a
A)more dense seawater sinks beneath less dense seawater
B)winds blow across the surface of the water
C)the Coriolis effect is in action
D)surface water begins to warm up
6.
What causes waves? 4.a
A)gravity
B)volcanoes
C)tides
D)wind
7.
Where does most of the energy come from that fuels ocean life? 4.a
A)land animals
B)the Sun
C)dissolved gases
D)land plants
8.
Water currents in the ocean curve because of __________. 4.a
A)wind
B)the Coriolis effect
C)the Sun
D)upwellings
9.
Water is set in motion by __________. 4.a
A)wind
B)the Coriolis effect
C)stationary objects
D)upwellings
10.
__________ distribute heat from one region to another. 4.d
A)Surface currents
B)Density layers
C)Surface layers
D)Density currents
11.
Shoreline erosion can be a result of all of the following EXCEPT __________. 4.a
A)density currents
B)waves
C)longshore currents
D)hurricanes
12.
A major force that has an effect on a shoreline is __________. 2.c
A)currents
B)waves
C)tides
D)all of the above
13.
Which is a deposit of sediment that is parallel to the shore? 2.c
A)tide
B)beach
C)current
D)wave
14.
Which type of current runs parallel to the shoreline? 2.c
A)tidal
B)shortshore
C)longshore
D)sediment
15.
What must animals that live on a beach adapt to? 2.c
A)deep water
B)new plants growing on the beach
C)changing shape of the beach
D)dry habitats
16.
High energy waves eroding California's cliffs causes the beaches to be ______. 4.a
A)sandy
B)rocky
C)clay-like
D)full of soil
17.
Which of these is responsible for the cold water off the coast of California? 4.d
A)northern glaciers
B)the Davidson Current
C)the Southern California Bight
D)the California Current
18.
What provides a shield for California against hurricanes?
A)the California landscape
B)warm water along the coast
C)tsunami activity
D)cold water along the coast
19.
Which of these would you expect to find in an area of the ocean where warm and cold water come together? 4.a
A)only marine plants
B)little marine life
C)no marine life
D)lots of marine life
20.
The intertidal zone is between _________. 4.a
A)the lowest low-tide line and the highest high-tide line
B)the highest low-tide line and the lowest high-tide line
C)the lowest low-tide line and the lowest high-tide line
D)the highest low-tide line and the highest high-tide line
Grade 6
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