Question 1

What is considered to be the most essential component of a system?

Accepted Answer

A) throughputs 
B) DNA 
C) energy 
D) matter 
E) light 
A) throughputs 
B) DNA 
C) energy 
D) matter 
E) light D

Question 2

Scientists classify energy as either ____.

Accepted Answer

A) chemical or physical 
B) kinetic or mechanical 
C) potential or mechanical 
D) potential or kinetic 
E) chemical or kinetic 
A) chemical or physical 
B) kinetic or mechanical 
C) potential or mechanical 
D) potential or kinetic 
E) chemical or kinetic D

Question 3

What does the first law of thermodynamics tell us?

Accepted Answer

A) Doing work always creates heat. 
B) Altering matter is the best source of energy. 
C) Energy cannot be recycled. 
D) Energy is neither created nor destroyed. 
E) Energy cannot be converted. 
A) Doing work always creates heat. 
B) Altering matter is the best source of energy. 
C) Energy cannot be recycled. 
D) Energy is neither created nor destroyed. 
E) Energy cannot be converted. D

Question 4

Explain how the human body is intimately connected to the two laws of thermodynamics.

Accepted Answer

(pages 46-47)The first law of thermodyna

Question 5

Science is based on the assumption that events in the natural world follow ____________________ patterns that can be understood.

Accepted Answer

cause-and-

Question 6

The matter and energy laws tell us that we can recycle ____.

Accepted Answer

A) both matter and energy 
B) neither matter nor energy 
C) matter but not energy 
D) energy but not matter 
E) nothing and everything 
A) both matter and energy 
B) neither matter nor energy 
C) matter but not energy 
D) energy but not matter 
E) nothing and everything

Question 7

____________________ happens when scientists report details of their research and other scientists evaluate it.

Accepted Answer

The answer of ____________________ happens when scientists report details of...

Question 8

Explain how a scientific law comes to be accepted.

Accepted Answer

A scientific law comes after a

Question 9

A(n)_______________ is a set of components that function and interact in some regular way.

Accepted Answer

The answer of A(n)_______________ is a set of components that...

Question 10

An ion has a net positive or negative ______.

Accepted Answer

A) proton 
B) isotope 
C) charge 
D) acid 
E) electron 
A) proton 
B) isotope 
C) charge 
D) acid 
E) electron

Question 11

Tentative or frontier science is performed by amateur scientists whose work will never be accepted by their peers.

Accepted Answer

A) True 
 B)False

Question 12

Scientists tend to be highly skeptical of new data, hypotheses, and models until they can be tested and verified.

Accepted Answer

A) True 
 B)False

Question 13

One property of a system is that it ____.

Accepted Answer

A) functions in a regular and predictable manner 
B) is highly randomized in its processes 
C) cannot be accurately modeled 
D) consists solely of inputs and outputs 
E) exists only in models 
A) functions in a regular and predictable manner 
B) is highly randomized in its processes 
C) cannot be accurately modeled 
D) consists solely of inputs and outputs 
E) exists only in models

Question 14

A(n)____________________ has more hydrogen ions than hydroxide ions and has a pH ____________________ 7.

Accepted Answer

acidic sol

Question 15

What is a well-tested and widely accepted description of what scientists find happening repeatedly in nature in the same way?

Accepted Answer

A) theory 
B) scientific law 
C) hypothesis 
D) conclusion 
E) model 
A) theory 
B) scientific law 
C) hypothesis 
D) conclusion 
E) model

Question 16

Energy cannot be recycled.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following represents kinetic energy?

Accepted Answer

A) water in a reservoir behind a dam 
B) a rock held in your hand 
C) chemical energy stored in food 
D) water in a stream 
E) light from the sun 
A) water in a reservoir behind a dam 
B) a rock held in your hand 
C) chemical energy stored in food 
D) water in a stream 
E) light from the sun

Question 18

What is the definition of a scientific hypothesis?

Accepted Answer

A) A simulation of a system being studied 
B) A possible explanation for an observation or experimentation 
C) The data needed to answer a question 
D) Procedures carried out under controlled conditions to gather information 
E) A widely accepted theory 
A) A simulation of a system being studied 
B) A possible explanation for an observation or experimentation 
C) The data needed to answer a question 
D) Procedures carried out under controlled conditions to gather information 
E) A widely accepted theory

Question 19

A(n)____________________ occurs when an output of matter, energy, or information is fed back into the system as an input and leads to changes in the system.

Accepted Answer

The answer of A(n)____________________ occurs when an output of matter,...

Question 20

The energy "lost" by a system is ____.

Accepted Answer

A) converted into an equal amount of matter 
B) equal to the energy the system creates 
C) converted to lower-quality energy 
D) returned to the system eventually 
E) converted to higher-quality energy 
A) converted into an equal amount of matter 
B) equal to the energy the system creates 
C) converted to lower-quality energy 
D) returned to the system eventually 
E) converted to higher-quality energy

What is considered to be the most essential component of a system?

Scientists classify energy as either ____.

What does the first law of thermodynamics tell us?

Explain how the human body is intimately connected to the two laws of thermodynamics.

Science is based on the assumption that events in the natural world follow ____________________ patterns that can be understood.

The matter and energy laws tell us that we can recycle ____.

____________________ happens when scientists report details of their research and other scientists evaluate it.

Explain how a scientific law comes to be accepted.

A(n)_______________ is a set of components that function and interact in some regular way.

An ion has a net positive or negative ______.

Tentative or frontier science is performed by amateur scientists whose work will never be accepted by their peers.

Scientists tend to be highly skeptical of new data, hypotheses, and models until they can be tested and verified.

One property of a system is that it ____.

A(n) has more hydrogen ions than hydroxide ions and has a pH 7.

What is a well-tested and widely accepted description of what scientists find happening repeatedly in nature in the same way?

Energy cannot be recycled.

Which of the following represents kinetic energy?

What is the definition of a scientific hypothesis?

A(n)____________________ occurs when an output of matter, energy, or information is fed back into the system as an input and leads to changes in the system.

The energy "lost" by a system is ____.

Environmental Problems, Their Causes, and Sustainability

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Its Impact

Climate and Biodiversity

Aquatic Biodiversity

Sustaining Biodiversity: The Species Approach

Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Sustaining Aquatic Biodiversity

Filters

Exam 2: Science, Matter, Energy, and Systems

What is considered to be the most essential component of a system?

Scientists classify energy as either ____.

What does the first law of thermodynamics tell us?

Explain how the human body is intimately connected to the two laws of thermodynamics.

Science is based on the assumption that events in the natural world follow ____________________ patterns that can be understood.

The matter and energy laws tell us that we can recycle ____.

____________________ happens when scientists report details of their research and other scientists evaluate it.

Explain how a scientific law comes to be accepted.

A(n)_______________ is a set of components that function and interact in some regular way.

An ion has a net positive or negative ______.

Tentative or frontier science is performed by amateur scientists whose work will never be accepted by their peers.

Scientists tend to be highly skeptical of new data, hypotheses, and models until they can be tested and verified.

One property of a system is that it ____.

A(n)____________________ has more hydrogen ions than hydroxide ions and has a pH ____________________ 7.

What is a well-tested and widely accepted description of what scientists find happening repeatedly in nature in the same way?

Energy cannot be recycled.

Which of the following represents kinetic energy?

What is the definition of a scientific hypothesis?

A(n)____________________ occurs when an output of matter, energy, or information is fed back into the system as an input and leads to changes in the system.

The energy "lost" by a system is ____.

Environmental Problems, Their Causes, and Sustainability

Ecosystems: What Are They and How Do They Work

Biodiversity and Evolution

Biodiversity, Species Interactions, and Population Control

The Human Population and Its Impact

Climate and Biodiversity

Aquatic Biodiversity

Sustaining Biodiversity: The Species Approach

Sustaining Terrestrial Biodiversity: The Ecosystem Approach

Sustaining Aquatic Biodiversity

Filters

A(n) has more hydrogen ions than hydroxide ions and has a pH 7.