Question 1

Draw or describe a scientific model using at least five steps.

Accepted Answer

Problem - Learn what is known - question

Question 2

Which chemical form of carbon takes millions of years to recycle?

Accepted Answer

A) fossil fuels 
B) carbon dioxide dissolved in the oceans. 
C) carbon dioxide in the atmosphere 
D) carbon in land plants 
E) carbon in animals 
A) fossil fuels 
B) carbon dioxide dissolved in the oceans. 
C) carbon dioxide in the atmosphere 
D) carbon in land plants 
E) carbon in animals

Question 3

New scientific results that have not been fully tested and accepted by peer review are known as _____________________.

Accepted Answer

frontier s

Question 4

Photosynthesis

Accepted Answer

A) converts glucose into energy and water. 
B) requires the combustion of carbon. 
C) produces carbon dioxide and oxygen gas. 
D) produces glucose and oxygen gas. 
E) produces glucose and carbon dioxide gas. 
A) converts glucose into energy and water. 
B) requires the combustion of carbon. 
C) produces carbon dioxide and oxygen gas. 
D) produces glucose and oxygen gas. 
E) produces glucose and carbon dioxide gas.

Question 5

Protons, neutrons, and electrons are all

Accepted Answer

A) forms of radioactive energy. 
B) equal in mass. 
C) subatomic particles that make up atoms. 
D) negative ions. 
E) charged particles. 
A) forms of radioactive energy. 
B) equal in mass. 
C) subatomic particles that make up atoms. 
D) negative ions. 
E) charged particles.

Question 6

The mass number of an atom is equal to the sum of the

Accepted Answer

A) neutrons and isotopes. 
B) neutrons and electrons. 
C) neutrons and protons. 
D) protons, neutrons, and electrons. 
E) protons only. 
A) neutrons and isotopes. 
B) neutrons and electrons. 
C) neutrons and protons. 
D) protons, neutrons, and electrons. 
E) protons only.

Question 7

Gross primary productivity (GPP) is the rate at which

Accepted Answer

A) producers convert solar energy into chemical energy through photosynthesis. 
B) producers use chemical energy through aerobic respiration. 
C) producers manufacture chemical energy minus energy used through respiration. 
D) chemical energy is transferred from one trophic level to the next. 
E) consumers use chemical energy through respiration. 
A) producers convert solar energy into chemical energy through photosynthesis. 
B) producers use chemical energy through aerobic respiration. 
C) producers manufacture chemical energy minus energy used through respiration. 
D) chemical energy is transferred from one trophic level to the next. 
E) consumers use chemical energy through respiration.

Question 8

Photosynthesis captures approximately what percent of solar energy?

Accepted Answer

A) 1% 
B) 10% 
C) 25% 
D) 80% 
E) 90% 
A) 1% 
B) 10% 
C) 25% 
D) 80% 
E) 90%

Question 9

The part of the earth where air, water, soil and organisms interact is called the

Accepted Answer

A) troposphere. 
B) stratosphere. 
C) biosphere. 
D) hydrosphere. 
E) lithosphere. 
A) troposphere. 
B) stratosphere. 
C) biosphere. 
D) hydrosphere. 
E) lithosphere.

Question 10

A possible explanation of what is observed in nature or the results of an experiment is called a scientific _____________________.

Accepted Answer

The answer of A possible explanation of what is observed...

Question 11

The portion of the earth that contains fossil fuels and soil chemicals is called the

Accepted Answer

A) troposphere. 
B) stratosphere. 
C) lithosphere. 
D) hydrosphere. 
E) geosphere. 
A) troposphere. 
B) stratosphere. 
C) lithosphere. 
D) hydrosphere. 
E) geosphere.

Question 12

In denitrification, specialized bacteria convert nitrogen gas in the atmosphere into ammonia.

Accepted Answer

A) True 
 B)False

Question 13

Burning coal demonstrates the first law of thermodynamics.

Accepted Answer

A) True 
 B)False

Question 14

Why do food chains and webs rarely support more than four or five trophic levels?

Accepted Answer

Typically, only 10% of energy

Question 15

The law of conservation of matter has very important consequences in terms of how we handle our wastes. Explain this statement.

Accepted Answer

Matter can neither be created

Draw or describe a scientific model using at least five steps.

Which chemical form of carbon takes millions of years to recycle?

New scientific results that have not been fully tested and accepted by peer review are known as _____________________.

Photosynthesis

Protons, neutrons, and electrons are all

The mass number of an atom is equal to the sum of the

Gross primary productivity (GPP) is the rate at which

Photosynthesis captures approximately what percent of solar energy?

The part of the earth where air, water, soil and organisms interact is called the

A possible explanation of what is observed in nature or the results of an experiment is called a scientific _____________________.

The portion of the earth that contains fossil fuels and soil chemicals is called the

In denitrification, specialized bacteria convert nitrogen gas in the atmosphere into ammonia.

Burning coal demonstrates the first law of thermodynamics.

Why do food chains and webs rarely support more than four or five trophic levels?

The law of conservation of matter has very important consequences in terms of how we handle our wastes. Explain this statement.

Environmental Problems, Their Causes, and Sustainability

Biodiversity and Evolution

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

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Exam 2: Science, Matter, Energy, and Systems

Draw or describe a scientific model using at least five steps.

Which chemical form of carbon takes millions of years to recycle?

New scientific results that have not been fully tested and accepted by peer review are known as _____________________.

Photosynthesis

Protons, neutrons, and electrons are all

The mass number of an atom is equal to the sum of the

Gross primary productivity (GPP) is the rate at which

Photosynthesis captures approximately what percent of solar energy?

The part of the earth where air, water, soil and organisms interact is called the

A possible explanation of what is observed in nature or the results of an experiment is called a scientific _____________________.

The portion of the earth that contains fossil fuels and soil chemicals is called the

In denitrification, specialized bacteria convert nitrogen gas in the atmosphere into ammonia.

Burning coal demonstrates the first law of thermodynamics.

Why do food chains and webs rarely support more than four or five trophic levels?

The law of conservation of matter has very important consequences in terms of how we handle our wastes. Explain this statement.

Environmental Problems, Their Causes, and Sustainability

Biodiversity and Evolution

Community Ecology, Population Ecology, and the Human Population

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters