Question 1

The age of the earth is estimated to be ____ billion years.

Accepted Answer

A)  4.5 
B)  4.0 
C)  5.0 
D)  5.5 
A)  4.5 
B)  4.0 
C)  5.0 
D)  5.5 A

Question 2

It is impossible to know the internal composition or structure of the earth because geologists cannot sample the interior.

Accepted Answer

A) True 
 B)False  False

Question 3

A population's doubling time

Accepted Answer

A)  Increases as life expectancy increases. 
B)  Is the length of time required for that population to double. 
C)  Will be fifty years if the population grows at 2 percent per year. 
D)  All of the choices are correct. 
A)  Increases as life expectancy increases. 
B)  Is the length of time required for that population to double. 
C)  Will be fifty years if the population grows at 2 percent per year. 
D)  All of the choices are correct. C

Question 4

World population has been growing more and more rapidly over the past several millennia.

Accepted Answer

A) True 
 B)False

Question 5

Humans can,to some extent,control their surroundings,disease and other factors,so human populations are subject to fewer checks than animal populations.

Accepted Answer

A) True 
 B)False

Question 6

____ are developed to provide explanations of data or observations.

Accepted Answer

A)  Scientific methods 
B)  Theories 
C)  Hypotheses 
D)  None of the choices are correct 
A)  Scientific methods 
B)  Theories 
C)  Hypotheses 
D)  None of the choices are correct

Question 7

A scientific hypothesis that is subsequently extensively tested and continues to appear valid may be called a

Accepted Answer

A)  Scientific method. 
B)  Theory. 
C)  Fact. 
D)  Prediction. 
A)  Scientific method. 
B)  Theory. 
C)  Fact. 
D)  Prediction.

Question 8

Once internal differentiation was complete,the earth's surface remained essentially unchanged to the present.

Accepted Answer

A) True 
 B)False

Question 9

The best records of ancient life are those for the last 600 million years,when organisms with hard parts became widespread.

Accepted Answer

A) True 
 B)False

Question 10

Exporting U.S.agricultural production methods to the rest of the world might increase food production but would also increase energy demands.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following was not a consequence of the early heating of the earth?

Accepted Answer

A)  Internal differentiation, forming core, mantle and crust 
B)  Formation of the oceans 
C)  Release of abundant, free oxygen into the atmosphere 
D)  Formation of an atmosphere 
A)  Internal differentiation, forming core, mantle and crust 
B)  Formation of the oceans 
C)  Release of abundant, free oxygen into the atmosphere 
D)  Formation of an atmosphere

Question 12

When a population is growing exponentially,it is increasing by a fixed percentage per unit time.

Accepted Answer

A) True 
 B)False

Question 13

Sources of heat in the early earth included

Accepted Answer

A)  Compression by gravity. 
B)  The impact of colliding particles as they came together to form the earth. 
C)  Decay of radioactive elements. 
D)  All of the choices are correct. 
A)  Compression by gravity. 
B)  The impact of colliding particles as they came together to form the earth. 
C)  Decay of radioactive elements. 
D)  All of the choices are correct.

Question 14

The starting composition of the solar nebula can be inferred from studies of stars.

Accepted Answer

A) True 
 B)False

Question 15

The compositions of the planets

Accepted Answer

A)  Are all very similar, so other planets may be able to support life or provide needed resources. 
B)  Are entirely unknown; geologists cannot judge their similarity to earth. 
C)  Were originally the same but have been changed by radiation from the sun over the life of the solar system. 
D)  Were controlled by the distance from the sun at which each formed, except for the largest planets. 
A)  Are all very similar, so other planets may be able to support life or provide needed resources. 
B)  Are entirely unknown; geologists cannot judge their similarity to earth. 
C)  Were originally the same but have been changed by radiation from the sun over the life of the solar system. 
D)  Were controlled by the distance from the sun at which each formed, except for the largest planets.

Question 16

Earth's population will be stabilized when its growth rate becomes constant.

Accepted Answer

A) True 
 B)False

Question 17

The average global population growth rate as of 2005 was about

Accepted Answer

A)  10 percent per year. 
B)  3 percent per year. 
C)  1.2 percent per year. 
D)  zero; world population has stabilized. 
A)  10 percent per year. 
B)  3 percent per year. 
C)  1.2 percent per year. 
D)  zero; world population has stabilized.

Question 18

As population increases,

Accepted Answer

A)  Demand for resources will tend to increase. 
B)  Growing demand for resources will ensure that more will always be found. 
C)  Natural systems will continue to compensate adequately for such disruptions as pollution; the earth is a big place. 
D)  All of the choices are correct. 
A)  Demand for resources will tend to increase. 
B)  Growing demand for resources will ensure that more will always be found. 
C)  Natural systems will continue to compensate adequately for such disruptions as pollution; the earth is a big place. 
D)  All of the choices are correct.

Question 19

The massive size of continents contributes to their permanence; they have remained stable and virtually unchanged since they formed.

Accepted Answer

A) True 
 B)False

Question 20

The age of the earth is estimated to be 4.5 billion years based on the analysis of these

Accepted Answer

A)  Moon rocks should also include meteorites. 
B)  Martian rocks. 
C)  rocks found in Australia. 
D)  Rocks found in the Canadian Rockies. 
A)  Moon rocks should also include meteorites. 
B)  Martian rocks. 
C)  rocks found in Australia. 
D)  Rocks found in the Canadian Rockies.

The age of the earth is estimated to be ____ billion years.

It is impossible to know the internal composition or structure of the earth because geologists cannot sample the interior.

A population's doubling time

World population has been growing more and more rapidly over the past several millennia.

Humans can,to some extent,control their surroundings,disease and other factors,so human populations are subject to fewer checks than animal populations.

____ are developed to provide explanations of data or observations.

A scientific hypothesis that is subsequently extensively tested and continues to appear valid may be called a

Once internal differentiation was complete,the earth's surface remained essentially unchanged to the present.

The best records of ancient life are those for the last 600 million years,when organisms with hard parts became widespread.

Exporting U.S.agricultural production methods to the rest of the world might increase food production but would also increase energy demands.

Which of the following was not a consequence of the early heating of the earth?

When a population is growing exponentially,it is increasing by a fixed percentage per unit time.

Sources of heat in the early earth included

The starting composition of the solar nebula can be inferred from studies of stars.

The compositions of the planets

Earth's population will be stabilized when its growth rate becomes constant.

The average global population growth rate as of 2005 was about

As population increases,

The massive size of continents contributes to their permanence; they have remained stable and virtually unchanged since they formed.

The age of the earth is estimated to be 4.5 billion years based on the analysis of these

Rocks and Minerals-A First Look

Plate Tectonics

Earthquakes

Volcanoes

Streams and Flooding

Coastal Zones and Processes

Mass Movements

Ice and Glaciers,wind and Deserts

Climate-Past, present, and Future

Ground Water and Water Resources

Weathering, erosion, and Soil Resources

Mineral and Rock Resources

Energy Resources-Fossil Fuels

Energy Resources-Alternative Sources

Waste Disposal

Water Pollution

Air Pollution

Environmental Law and Policy

Land-Use Planning and Engineering Geology

Filters

Exam 1: Planet and Population: An Overview

The age of the earth is estimated to be ____ billion years.

It is impossible to know the internal composition or structure of the earth because geologists cannot sample the interior.

A population's doubling time

World population has been growing more and more rapidly over the past several millennia.

Humans can,to some extent,control their surroundings,disease and other factors,so human populations are subject to fewer checks than animal populations.

____ are developed to provide explanations of data or observations.

A scientific hypothesis that is subsequently extensively tested and continues to appear valid may be called a

Once internal differentiation was complete,the earth's surface remained essentially unchanged to the present.

The best records of ancient life are those for the last 600 million years,when organisms with hard parts became widespread.

Exporting U.S.agricultural production methods to the rest of the world might increase food production but would also increase energy demands.

Which of the following was not a consequence of the early heating of the earth?

When a population is growing exponentially,it is increasing by a fixed percentage per unit time.

Sources of heat in the early earth included

The starting composition of the solar nebula can be inferred from studies of stars.

The compositions of the planets

Earth's population will be stabilized when its growth rate becomes constant.

The average global population growth rate as of 2005 was about

As population increases,

The massive size of continents contributes to their permanence; they have remained stable and virtually unchanged since they formed.

The age of the earth is estimated to be 4.5 billion years based on the analysis of these

Rocks and Minerals-A First Look

Plate Tectonics

Earthquakes

Volcanoes

Streams and Flooding

Coastal Zones and Processes

Mass Movements

Ice and Glaciers,wind and Deserts

Climate-Past, present, and Future

Ground Water and Water Resources

Weathering, erosion, and Soil Resources

Mineral and Rock Resources

Energy Resources-Fossil Fuels

Energy Resources-Alternative Sources

Waste Disposal

Water Pollution

Air Pollution

Environmental Law and Policy

Land-Use Planning and Engineering Geology

Filters