Environmental Science (Chapter 2) Question Preview (ID: 60346)
Chapter 2 Test Review.
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Which of the following statements is true.
a) Hot liquid or air is less dense and sinks.
b) Hot liquid or air is more dense and rises.
c) Hot liquid or air is less dense and rises.
d) Hot liquid or air is more dense and stays the same.
The movement of heated material due to differences in density that are caused by differences in temperatures is called ________________________
a) diffusion
b) osmosis
c) convection
d) vulcanization
Convection cells are located in which layer? _________________
a) crust
b) inner core
c) asthenosphere
d) lithosphere
The theory that explains how large pieces of the lithosphere, called plates, move and change shape is called ___________________.
a) tectonic plate theory
b) continental drift theory
c) big bang theory
d) theory of relativity
When was plate tectonics accepted by the scientific community? _________
a) 1950s and 1960s
b) 1930s and 1940s
c) 1910s and 1920s
d) 1880s and 1890s
Which way are the plates moving at the mid–ocean ridge?
a) away from each other
b) towards each other
c) sliding past each other
d) under each other
What is being made at the mid–ocean ridge? _____________
a) continental crust
b) trenches
c) oceanic crust
d) fossils
The study of the alignment of magnetic minerals in oceanic crust is called _______________.
a) paleomagnetism
b) tectonic plates
c) seafloor spreading
d) continental drift
16. What is the difference between normal polarity and reversed polarity?
a) normal polarity is when magnetic fields point south and reverse polarity is when magnetic fields point North
b) normal polarity is when magnetic fields point north and reverse polarity is when magnetic fields point South
c) normal polarity is when magnetic fields point north and reverse polarity is when magnetic fields point West
d) none of the above
Long, undersea mountain chain is called ___________________
a) mid-ocean ridge
b) trench
c) seamount
d) abyssal plain
Which is not a piece of evidence that Wegener used to support his hypothesis.
a) Continents fit perfectly together
b) Lack of fossil record
c) Mountain ranges that fit together
d) Similar glacial sediments found on different continents
The process by which new oceanic lithosphere (seafloor) forms as magma rises to Earth’s surface and solidifies at a mid-ocean ridge is called ___________________________.
a) continental drift
b) seafloor spreading
c) tectonic plates
d) mid-ocean ridge
The hypothesis that states that the continents once formed a single landmass, broke up, and drifted to their present locations is called_____________.
a) Tectonic Plate Theory
b) Theory of Geologic Time
c) Continental Drift Theory
d) Big Bang Theory
A single landmass thought to have been the origin of all continents is called ____________________.
a) Northern Hemisphere
b) African Continent
c) Super Continent
d) Pangea
The asthenosphere is located in which layer?
a) crust
b) upper mantle
c) lower mantle
d) core
_____________ is the solid, outer layer of Earth that consists of the crust and the rigid upper part of the mantle (crust upper mantle).
a) asthenosphere
b) lithosphere
c) inner core
d) outer core
Tectonic plates consist of which layer?
a) asthenosphere
b) lithosphere
c) inner core
d) outer core
The layer of plastic rock that underlies the tectonic plates is called _________________.
a) asthenosphere
b) lithosphere
c) inner core
d) outer core
What layer is the thinnest?
a) inner core
b) outer core
c) lower mantle
d) crust
What is the difference between the outer and inner core?
a) The outer is liquid and the inner is solid
b) The outer is solid and the inner is liquid
c) The outer is solid and the inner is liquid
d) None of the above
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