Answer: e
Difficulty: Easy
Bloomcode: Knowledge
Learning Objective 1: LO 1.4 Describe environmental science and the role of the scientific method. TERMINAL LO.
Learning Objective 2: LO 1.4.1 Define environmental science and briefly describe the role of Earth systems in environmental science. ENABLING LO
Section Reference 1: 1.4 Environmental Science
15. Which of the following stages comes LAST in addressing environmental problems?
a) risk analysis
b) political action
c) evaluation
d) scientific assessment
e) public education and involvement
Answer: c
Difficulty: Easy
Bloomcode: Knowledge
Learning Objective 1: LO 1.5. List the five stages in addressing environmental problems. TERMINAL LO
Learning Objective 2: LO 1.5.1 List and briefly describe the five stages in addressing environmental problems. ENABLING LO
Section Reference 1: 1.5 Addressing environmental problems
16. In the scientific method, a hypothesis
a) is a statement of fact
b) makes a prediction that can be tested
c) is usually proven to be correct
d) can only be tested once
e) All of these choices are correct
Answer: b
Difficulty: Easy
Bloomcode: Knowledge
Learning Objective 1: LO 1.4 Describe environmental science and the role of the scientific method. TERMINAL LO
Learning Objective 2: LO 1.4.2 Outline the scientific method. ENABLING LO
Section Reference 1: 1.4 Environmental Science
17. Theories:
a) cannot be tested.
b) are the same as hypotheses.
c) can be used to predict the existence of as-yet unobserved things or phenomena.
d) are the same as facts.
e) are rarely shown to be true.
Answer: c
Difficulty: Easy
Bloomcode: Knowledge
Learning Objective 1: LO 1.4 Describe environmental science and the role of the scientific method. TERMINAL LO
Learning Objective 2: LO 1.4.2 Outline the scientific method. ENABLING LO
Section Reference 1: 1.4 Environmental Science
18. An integrated explanation of numerous hypotheses is known as a:
a) fact.
b) law.
c) control.
d) theory.
e) guess.
Answer: d
Difficulty: Easy
Bloomcode: Knowledge
Learning Objective 1: LO 1.4 Describe environmental science and the role of the scientific method. TERMINAL LO
Learning Objective 2: LO 1.4.2 Outline the scientific method. ENABLING LO
Section Reference 1: 1.4 Environmental Science
19. The discovery of the extent of the pollution problem in Lake Washington was based on:
a) the presence of certain types of fish.
b) the absence of certain types of fish.
c) the presence of certain species of worms.
d) the presence of certain type of bacteria.
e) satellite imaging of the lake.
Answer: d
Difficulty: Easy
Bloomcode: Knowledge
Learning Objective 1: LO 1.5 List the five stages in addressing environmental problems. TERMINAL LO
Learning Objective 2: LO 1.5.2Briefly describe the history of the Lake Washington pollution problem of the 1950s and how it was resolved. ENABLING LO
Section Reference 1: 1.5 Addressing Environmental Problems
20. Pollution in Lake Washington resulted from:
a) excessive treated sewage input from the surrounding municipal development.
b) a population explosion of resident freshwater fishes.
c) excessive boat traffic.
d) large bird populations inhabiting the waters of the lake.
e) an oil tanker spill of home heating oil.
Answer: a
Difficulty: Easy
Bloomcode: Knowledge
Learning Objective 1: LO 1.5 List the five stages in addressing environmental problems. TERMINAL LO
Learning Objective 2: LO 1.5.2Briefly describe the history of the Lake Washington pollution problem of the 1950s and how it was resolved. ENABLING LO
Section Reference 1: 1.5 Addressing Environmental Problems
21. Which of the following was not a consequence of the pollution of Lake Washington?
a) increase in phosphorus concentrations
b) rapid growth of cyanobacteria populations
c) increase in fish populations
d) decomposition of dead cyanobacteria
e) drop in dissolved oxygen concentration
Answer: c
Difficulty: Easy
Bloomcode: Knowledge
Learning Objective 1: LO 1.5 List the five stages in addressing environmental problems. TERMINAL LO
Learning Objective 2: LO 1.5.2Briefly describe the history of the Lake Washington pollution problem of the 1950s and how it was resolved. ENABLING LO