Download Chapter 2 Study Guide Answers (1)

Chapter 2 Study Guide
Environmental Science
Adams
1. What is a control group? The group that does not receive treatment
2. What are correlations? Associations between two or more events
3. What is the mean? The number obtained by adding the data and dividing by the
number of individuals
4. What step of the scientific method are scientists conducting when they are
photographing birds? Observations
5. What is an example of graphical model? Models in the form of charts and graphs
6. Which scientific habit of mind allows scientists to expand the boundaries of what we
know? Curiosity
7. Which scientific habit of mind is the ability to conceive new ideas? Openness to new
ideas
8. What is the dependent variable? The variable that is measure in the experiment
9. What is the independent variable? The variable that you change in the experiment
10. What is probability? The chance that something will happen
11. What is a sample? The group of individuals or events selected to represent a
population
Chapter 2 Study Guide
Environmental Science
Adams
12. What is mathematical model? One or more equations that represents the way a
system or process works.
13. What is a correlation? See question 2
14. What is a risk? The probability of an unwanted outcome
15. What is a decision-making model? a model that provides a systematic process for
making decisions.
16. What is the scientific method? A series of steps that scientist use to solve problems.
17. What scientific habit is when a scientist does not believe they are told? Habit of
skepticism
18. What is a statistical population? A group of similar things a scientist is interested in
learning about
19. How do we collect information during the observation process? We gather them
using our sense (smell, taste, sight, touch)
20. What is a theory? An idea that is supported by an observations and experimentation.
21. What are the main values when making a decision? Aesthetic, Economic,
Educational, Environmental, Ethical/Moral, Health, Recreational, Scientific,
Social/Cultural.
Chapter 2 Study Guide
Environmental Science
Adams
b.
c.
d.
e.
control
22. a group f.
.
prediction
g.
physical model h.
risk
i.
conceptual model
value
experiment
statistics
data
__B__ 25. a logical statement about what will happen in an experiment
__E__ 26. a verbal or graphical explanation for how a system works or how it is organized
__A__ 27. in an experiment, that which does not receive the experimental treatment
___C_ 28. a three-dimensional model you can touch
__F__ 29. principles or standards considered to be important
__D__ 30. the probability of an unwanted outcome
__I__ 31. information gathered during an experiment
__G__ 32. procedure designed to test a hypothesis
___H_ 33. collection and classification of data
a. observation
b. hypothesis
c. prediction
d.
e.
experiment
data
__C__ 34. logical statement about what will happen
___E_ 35. information gathered in an experiment
___B_ 36. testable explanation for an observation
___D_ 37. procedure used to test a hypothesis
___A_ 38. information gathered by using the senses