Across Down
1 The
type of plate boundary in which two slide past each other. 2 The continental _____
develops from sediment build-up
5 Cone-shaped
underwater volcanoes 3
The rest of the country is on which plate?
7 Sea
Floor spreading occurs at bank zone. 4
Biogenous sediment that is similar to glass.
8 Loose
material such as clay or sand. 6 A depression in the earth, created at a subduction
zone.
10 Downward
movement of a plate. 9 A type of sediment formed by ex-living things.
11 The
east coast of
12 The
type of rock that makes up oceanic crust. 11 The deepest and largest ocean.
14 The
name of the theorized supercontinent 13 The end of
the margin turns into the flat ____.
15 _____
margins have rocky coastlines and a steep slope. 17 A biogenous
sediment of calcium carbonate.
16 Mass
divided by volume. 19 Subduction
occurs at _____ zones
18 A
crack or wound in the crust 20 The
outermost layer of the earth
21 _____
currents help drive plate movement. 24 As you go away from The mid-ocean ridge
22 Another
name for a slip-slide fault. 26 Continental crust is made mostly of
this.
23 A
type of mineral deposit at vents 28 Continental ______ contain a shelf,
slope
25 The
shallowest part of the continental margin and sometimes a rise.
27 A
flat-topped submarine volcano. 29 Type of crust that is more dense.
30 Similar
to a river delta but in the ocean.
31 submarine
____were once cut by glaciers or rivers
32 Continental
crust is _________than oceanic.
33 This
feature forms when two continental crusts divide.
34 A
coral reef built on a submurged volcano
35 Type
of sediment formed by weathering of rock.
36 The
hawaiian
islands were formed by _______.
37 Layer
of the earth that contains mostly iron alloys.