Download File - Science by Shaw

Chapter 2 Review Sheet
Label the seafloor features in the diagram below
Matching
a.
Pacific Ocean
b.
Atlantic Ocean
c.
Indian Ocean
d.
Arctic Ocean
e.
Southern Ocean
f.
World Ocean
g.
big bang
h.
density
i.
core
j.
mantle
1.
2.
3.
4.
5.
6.
7.
8.
k.
l.
m.
n.
o.
p.
q.
r.
s.
t.
crust
basalt
granite
plate tectonics
mid-ocean ridge
continental drift
trenches
sea-floor spreading
lithosphere
athenosphere
the continental crust is made of this light colored mineral
the innermost layer of the earth
2nd largest ocean basin
the layer outside the earth’s core
a continuous change of submarine volcanic mountains that encircles the globe like the
seams on a baseball
the continuous body of water that surrounds Antarctica
Oceanographers often use this term to describe all the oceans together
smallest ocean basin
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
oceanic crust is made of this dark colored mineral
the outer most layer of the earth
a great cosmic explosion
a fairly rigid layer of the earth that is composed of the crust and the uppermost part of the
mantle
the suggestion that all continents had once been joined in a single “supercontinent”, but
have drifted apart.
a system of deep depressions in the seafloor
3rd largest ocean basin
the process by which the sea floor moves away from the mid-ocean ridges to create new
sea floor.
the process of the earth’s plates moving apart
the mass of a given volume of a substance
The largest and deepest ocean
the layer that the lithosphere floats on, it is the “plastic” layer
Matching
a.
continental margins
b.
continental shelf
c.
continental slope
d.
continental rise
e.
submarine canyons
21
22.
23.
24.
25.
26.
27.
28.
29.
f.
g.
h.
i.
abyssal plain
seamounts
guyots
hydrothermal vents
a steep declining region of the sea floor
the deep-sea floor
eroded trenches found in the continental shelf
the division between the two main regions of the seafloor
the base of the continental slope
a shallow gentle slope of the sea floor
flat topped seamounts
submarine volcanoes conical in shape
a deep-sea hot spring