1st Semester Test # 2 Question Preview (ID: 34452)

Test Review.

Why do most U.S. Earthquakes occur in Alaska and California?
a) There are too many people who live there
b) Alaska and California sit on plate boudaries
c) Alaska and California are not located on plates
d) Alaska and California are the oldest states

How far do the North American and the Eurasian Plate move apart from each other each year?
a) about 2 kilometers
b) about 2 inches
c) about 2 feet
d) about 2 centemeters

If plates move together towards each other, what is most likely to form?
a) Mountains
b) Valleys
c) Trenches
d) Earthquakes

If you found a fossil on the west coast of Africa, where would you look to find the same fossil in order to prove continental drift?
a) East coast of Africa
b) West coast of Europe
c) East coast of South America
d) West coast of South America

Which of Earth's layers contains most of Earth's mass?
a) Crust
b) Mantle
c) Inner core
d) Outer core

What layers make up the lithosphere?
a) Inner core and outer core
b) outer core and crust
c) crust and upper or solid part of the mantle
d) inner core and crust

What force makes the tectonic plates of Earth float?
a) Conduction in the mantle
b) convection in the mantle
c) conduction in the crust
d) convection in the crust

On what layer do the tectonic plates float?
a) The crust
b) The inner core
c) The outer core
d) The top of the lower mantle

What state of matter is the outer core of Earth?
a) A thick dense liquid
b) A solid
c) A soft solid
d) A gas

What do seismographs detect?
a) Tremors
b) Ocean currents
c) Magnitude
d) Earthquake strength

What kind of plate boundary causes the most earthquakes?
a) Divergent
b) convergent
c) transform/fracture
d) colliding

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