Section #: 16.2
The Seafloor
Practice Test
1.
What is the shallowest part of the continental margin calle
SC.D.1.4.2
a.
a submarine canyon
b.
the continental shelf
c.
the continental rise
d.
the shelf break
Hint
2.
How are fjords formed?
SC.D.1.4.2
a.
longshore current
b.
sea level rise
c.
global cooling
d.
tectonic forces
Hint
3.
According to the graph, at what depth does the sea floor start to drop off?
SC.D.1.4.2
a.
4 km
b.
2 km
c.
8 km
d.
1 km
Hint
4.
What breaks mid-ocean ridges into smaller sections?
SC.D.1.4.2
a.
shelf breaks
b.
fracture zones
c.
abyssal plains
d.
submarine canyons
Hint
5.
How are submarine canyons formed
SC.D.1.4.2
a.
runoff
b.
longshore current
c.
rivers
d.
turbidity currents
Hint
6.
__________ are submerged basaltic volcanoes more than 1 km high.
SC.D.1.4.2
a.
Shelf breaks
b.
Seamounts
c.
Fracture zones
d.
Submarine canyons
Hint