Download Ocean waves that wear away an island`s shoreline

Name ______________________________ Date___________ Period ____
Chapter 9 Study Guide
1. Ocean waves that wear away an island’s shoreline are an example of
Earth’s ____________________ forces
2. Scientists think that the ____________________, made of liquid iron
and nickel, contains convention currents which produce Earth’s
magnetic field.
3. The part of the mantle called the ____________________ is made of
soft rock that bends like plastic.
4. Oceanic crust is made up mostly of dense rock called
____________________.
5. When you touch a hot plate, the transfer of heat from the plate to your
hand is called ____________________.
6. The energy from the sun that warms your face is transferred by a
process called _____________________.
7. In the asthenosphere, heat is transferred as soft rock flows slowly in
cycles known as ____________________.
8. Wegner believed the continents had once been joined in one landmass
called ____________________.
9. The theory of ____________________ states all the continents once
were joined as a single supercontinent and have since drifted apart.
10.To support his theory, Alfred Wegener provided evidence from
____________________, traces of anciet organisms preserved in
rock.
11.The process of ____________________ continually adds new crust to
the ocean floor along both sides of the mid-ocean ridge.
12.The longest mountain chain on Earth is the ____________________,
most of which lies under the ocean.
Name ______________________________ Date___________ Period ____
13.Subduction occurs where the oceanic crust bends down toward the
mantle at a(n) ____________________.
14.The lithosphere is broken into sections called
____________________, which float on top of the asthenosphere.
15.When continental plates pull apart at a divergent boundary on land,
a(n) ____________________ forms.
16.Two of the Earth’s plates slip past each other, moving in opposite
directions, along a ____________________ boundary.
17.Deformation of the crust and the formation of volcanoes and
mountains are the result of ____________________ movements.
18.A break in the crust where slabs of crust slip past each other is known
as a(n) ____________________.
19.When the land surface sinks as a result of geologic processes,
____________________ occurs.
20.Which layer of Earth is made up partly of crust and partly of mantle
material? ________________________________________________
21.How do constructive forces shape Earth’s surface?
________________________________________________________
________________________________________________________
________________________________________________________
22.What is the layer of Earth’s surface made up mostly of basalt and
granite? _________________________________________________
23.State the correct order Earth’s of layers (starting from the surface).
________________________________________________________
Name ______________________________ Date___________ Period ____
24.What is the transfer of heat by electromagnetic waves?
_____________________________
25.What is Pangaea?
________________________________________________________
________________________________________________________
________________________________________________________
26.What is a fossil?
________________________________________________________
________________________________________________________
27.What technology did scientists use in the mid-1900s to map the midocean ridge? ____________________.
28.Explain why old oceanic crust is more dense than new oceanic crust?
________________________________________________________
________________________________________________________
29.The geological theory that states pieces of Earth’s lithosphere are in
constant, slow motion is the theory of ____________________.
30.Plate movements produce stress in rock, which lead to a change in the
rock’s shape or volume called ____________________.
31.A collision between two pieces of continental crust at a convergent
boundary produce a ____________________.
32.What are the three kinds of plate boundaries?
________________________________________________________
________________________________________________________
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Name ______________________________ Date___________ Period ____
33.A weak spot in Earth’s crust where magma comes to the surface is
called a(n) ____________________.
34.Compression forces in Earth’s crust produce ___________________.
Fill-in the chart:
Fill-in the missing information of the chart.
Depth
Layer
35.
36.
Composition
Silicon, Oxygen, Iron, and
Magnesium
37.
38.
Molten Iron and Nickel
39.
40.
Basalt and Granite
41.
42.
Solid Iron and Nickel