Question 1

Matter is best described as ____.​

Accepted Answer

A)  ​thermodynamic 
B)  ​something that has the capacity to do work 
C)  ​positively charged 
D)  ​something that can produce change 
E)  ​anything that has mass and takes up space 
A)  ​thermodynamic 
B)  ​something that has the capacity to do work 
C)  ​positively charged 
D)  ​something that can produce change 
E)  ​anything that has mass and takes up space E

Question 2

​Explain why the Bormann-Likens scientific investigation of clear-cutting forest watersheds is considered reliable science.

Accepted Answer

​It has been subjected to peer review,and other scientists have repeated the study and produced similar results.Reliable science consists of data,hypotheses,models,theories,and laws that are widely accepted by all or most of the scientists who are considered experts in the field under study.

Question 3

All organic compounds are characterized by the presence of ____.​

Accepted Answer

A)  ​carbon 
B)  ​hydrogen 
C)  ​oxygen 
D)  ​nitrogen 
E)  ​phosphorus 
A)  ​carbon 
B)  ​hydrogen 
C)  ​oxygen 
D)  ​nitrogen 
E)  ​phosphorus A

Question 4

The ____________________ ion,studied by Bormann and Likens,is an essential nutrient for plant growth.

Accepted Answer

The answer of The ____________________ ion,studied by Bormann and Likens,is...

Question 5

Match items with their appropriate chemical description.
-The scale used to measure acidity​

Accepted Answer

A) NH4+ 
B) molecule 
C) electron 
D) proton 
E) neutron
F)pH
G)Ca
H)P
I)mass number
J)NO3-
K)C6H12O6 
A) NH4+ 
B) molecule 
C) electron 
D) proton 
E) neutron
F)pH
G)Ca
H)P
I)mass number
J)NO3-
K)C6H12O6

Question 6

A classmate tells you that a statement heard on the news about an environmental process noted in a local ecosystem cannot be true because it has not been scientifically proven.You realize that ____.​

Accepted Answer

A)  ​this classmate is misinformed because science cannot prove anything,but it can disprove events conclusively 
B)  ​this classmate is misinformed because science cannot prove or disprove anything absolutely 
C)  ​this classmate is misinformed because the environmental process in question actually has been proven scientifically 
D)  ​this classmate is correct 
E)  ​this classmate has confused scientific theories and scientific laws 
A)  ​this classmate is misinformed because science cannot prove anything,but it can disprove events conclusively 
B)  ​this classmate is misinformed because science cannot prove or disprove anything absolutely 
C)  ​this classmate is misinformed because the environmental process in question actually has been proven scientifically 
D)  ​this classmate is correct 
E)  ​this classmate has confused scientific theories and scientific laws

Question 7

Why do scientists not talk about "proof" when discussing scientific research?

Accepted Answer

Scientists cannot prove or dis

Question 8

Which list of items contains only ions?

Accepted Answer

A)  ​CO2,H2O,Na+,H- 
B)  ​ Na+,H-,Pb,Hg 
C)  ​Pb,Hg,CO2,NaCl 
D)  ​Cl-,Na+,Ca2+,NO3- 
E)  ​NaCl,NO,CO,NaOH 
A)  ​CO2,H2O,Na+,H- 
B)  ​ Na+,H-,Pb,Hg 
C)  ​Pb,Hg,CO2,NaCl 
D)  ​Cl-,Na+,Ca2+,NO3- 
E)  ​NaCl,NO,CO,NaOH

Question 9

Scientific hypotheses and results that have not undergone the rigors of peer review,or that have been discarded as a result of peer review or additional research,are considered to be ____.​

Accepted Answer

A)  ​limited but accurate 
B)  ​scientific laws 
C)  ​scientific theories 
D)  ​unreliable science 
E)  ​reliable science 
A)  ​limited but accurate 
B)  ​scientific laws 
C)  ​scientific theories 
D)  ​unreliable science 
E)  ​reliable science

Question 10

The idea that all elements are made up of molecules is called the atomic theory.

Accepted Answer

A) True 
 B)False

Question 11

Peer review involves scientists openly publishing details of the methods they used,the results of their experiments,and the reasoning behind their hypotheses for other scientists working in the same field to evaluate.​

Accepted Answer

A) True 
 B)False

Question 12

An element ____.​

Accepted Answer

A)  ​can combine with protons to make an atom 
B)  ​is made up of compounds 
C)  ​can combine with one or more other elements to make a compound 
D)  ​is defined by the number of electrons it has 
E)  ​can only be organic 
A)  ​can combine with protons to make an atom 
B)  ​is made up of compounds 
C)  ​can combine with one or more other elements to make a compound 
D)  ​is defined by the number of electrons it has 
E)  ​can only be organic

Question 13

Energy can be formally defined as the ____.​

Accepted Answer

A)  ​velocity of any moving object 
B)  ​heat generated by atoms losing electrons 
C)  ​capacity to do work 
D)  ​displacement of heat from the sun to the earth 
E)  ​process of moving objects 
A)  ​velocity of any moving object 
B)  ​heat generated by atoms losing electrons 
C)  ​capacity to do work 
D)  ​displacement of heat from the sun to the earth 
E)  ​process of moving objects

Question 14

​Hydrocarbons are organic compounds.

Accepted Answer

A) True 
 B)False

Question 15

An example of potential energy is ____.​

Accepted Answer

A)  ​electricity flowing through a wire 
B)  ​the chemical energy in a candy bar 
C)  ​a bullet fired at high velocity 
D)  ​the falling of a leaf from a tree 
E)  ​the flowing of water 
A)  ​electricity flowing through a wire 
B)  ​the chemical energy in a candy bar 
C)  ​a bullet fired at high velocity 
D)  ​the falling of a leaf from a tree 
E)  ​the flowing of water

Question 16

​Most forms of energy can be classified as either ____.

Accepted Answer

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

Question 17

Which statement best describes the first law of thermodynamics?​

Accepted Answer

A)  ​Atoms cannot be created or destroyed. 
B)  ​Energy can neither be created nor destroyed. 
C)  ​Heat is a form of kinetic energy. 
D)  ​Solar energy is converted into chemical energy in living systems. 
E)  ​When energy is used up,it's gone. 
A)  ​Atoms cannot be created or destroyed. 
B)  ​Energy can neither be created nor destroyed. 
C)  ​Heat is a form of kinetic energy. 
D)  ​Solar energy is converted into chemical energy in living systems. 
E)  ​When energy is used up,it's gone.

Question 18

Match items with their appropriate chemical description.
-The nitrate ion​

Accepted Answer

A) NH4+ 
B) molecule 
C) electron 
D) proton 
E) neutron
F)pH
G)Ca
H)P
I)mass number
J)NO3-
K)C6H12O6 
A) NH4+ 
B) molecule 
C) electron 
D) proton 
E) neutron
F)pH
G)Ca
H)P
I)mass number
J)NO3-
K)C6H12O6

Question 19

A(n)____________________ is a type of matter that has a unique set of properties and that cannot be broken down into simpler substances by chemical means.

Accepted Answer

The answer of A(n)____________________ is a type of matter that...

Question 20

Which list describes the sequence scientists typically follow in the beginning stages of their investigations about how nature works?​

Accepted Answer

A)  ​analyze data → search literature → perform experiment → identify a problem → ask a question 
B)  ​ask a question → search literature → perform experiment → analyze data → identify a problem 
C)  ​search literature → ask a question → identify a problem → analyze data → perform experiment 
D)  ​identify a problem → search literature → ask a question → perform experiment → analyze data 
E)  ​ask a question → search literature → identify a problem → perform experiment → analyze data 
A)  ​analyze data → search literature → perform experiment → identify a problem → ask a question 
B)  ​ask a question → search literature → perform experiment → analyze data → identify a problem 
C)  ​search literature → ask a question → identify a problem → analyze data → perform experiment 
D)  ​identify a problem → search literature → ask a question → perform experiment → analyze data 
E)  ​ask a question → search literature → identify a problem → perform experiment → analyze data

Matter is best described as ____.

Explain why the Bormann-Likens scientific investigation of clear-cutting forest watersheds is considered reliable science.

All organic compounds are characterized by the presence of ____.

The ____________________ ion,studied by Bormann and Likens,is an essential nutrient for plant growth.

Match items with their appropriate chemical description. -The scale used to measure acidity

A classmate tells you that a statement heard on the news about an environmental process noted in a local ecosystem cannot be true because it has not been scientifically proven.You realize that ____.

Why do scientists not talk about "proof" when discussing scientific research?

Which list of items contains only ions?

Scientific hypotheses and results that have not undergone the rigors of peer review,or that have been discarded as a result of peer review or additional research,are considered to be ____.

The idea that all elements are made up of molecules is called the atomic theory.

Peer review involves scientists openly publishing details of the methods they used,the results of their experiments,and the reasoning behind their hypotheses for other scientists working in the same field to evaluate.

An element ____.

Energy can be formally defined as the ____.

Hydrocarbons are organic compounds.

An example of potential energy is ____.

Most forms of energy can be classified as either ____.

Which statement best describes the first law of thermodynamics?

Match items with their appropriate chemical description. -The nitrate ion

A(n)____________________ is a type of matter that has a unique set of properties and that cannot be broken down into simpler substances by chemical means.

Which list describes the sequence scientists typically follow in the beginning stages of their investigations about how nature works?

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 Urbanization

Climate and Biodiversity

Sustaining Biodiversity - the Species Approach

Sustaining Biodiversity - the Ecosystem Approach

Food - Soil - and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Minerals

Energy

Environmental Hazards and Human Health

Air Pollution Climate Change and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics Politics and Worldviews

Filters

Exam 2: Science - Matter - and Energy

Matter is best described as ____.​

​Explain why the Bormann-Likens scientific investigation of clear-cutting forest watersheds is considered reliable science.

All organic compounds are characterized by the presence of ____.​

The ____________________ ion,studied by Bormann and Likens,is an essential nutrient for plant growth.

Match items with their appropriate chemical description. -The scale used to measure acidity​

A classmate tells you that a statement heard on the news about an environmental process noted in a local ecosystem cannot be true because it has not been scientifically proven.You realize that ____.​

Why do scientists not talk about "proof" when discussing scientific research?

Which list of items contains only ions?

Scientific hypotheses and results that have not undergone the rigors of peer review,or that have been discarded as a result of peer review or additional research,are considered to be ____.​

The idea that all elements are made up of molecules is called the atomic theory.

Peer review involves scientists openly publishing details of the methods they used,the results of their experiments,and the reasoning behind their hypotheses for other scientists working in the same field to evaluate.​

An element ____.​

Energy can be formally defined as the ____.​

​Hydrocarbons are organic compounds.

An example of potential energy is ____.​

​Most forms of energy can be classified as either ____.

Which statement best describes the first law of thermodynamics?​

Match items with their appropriate chemical description. -The nitrate ion​

A(n)____________________ is a type of matter that has a unique set of properties and that cannot be broken down into simpler substances by chemical means.

Which list describes the sequence scientists typically follow in the beginning stages of their investigations about how nature works?​

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 Urbanization

Climate and Biodiversity

Sustaining Biodiversity - the Species Approach

Sustaining Biodiversity - the Ecosystem Approach

Food - Soil - and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Minerals

Energy

Environmental Hazards and Human Health

Air Pollution Climate Change and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics Politics and Worldviews

Filters

Matter is best described as ____.

Explain why the Bormann-Likens scientific investigation of clear-cutting forest watersheds is considered reliable science.

All organic compounds are characterized by the presence of ____.

Match items with their appropriate chemical description. -The scale used to measure acidity

A classmate tells you that a statement heard on the news about an environmental process noted in a local ecosystem cannot be true because it has not been scientifically proven.You realize that ____.

Scientific hypotheses and results that have not undergone the rigors of peer review,or that have been discarded as a result of peer review or additional research,are considered to be ____.

Peer review involves scientists openly publishing details of the methods they used,the results of their experiments,and the reasoning behind their hypotheses for other scientists working in the same field to evaluate.

An element ____.

Energy can be formally defined as the ____.

Hydrocarbons are organic compounds.

An example of potential energy is ____.

Most forms of energy can be classified as either ____.

Which statement best describes the first law of thermodynamics?

Match items with their appropriate chemical description. -The nitrate ion

Which list describes the sequence scientists typically follow in the beginning stages of their investigations about how nature works?