Chapter 2 Tools of Environmental Science - Pettit (Honors)

Question 1

Curiosity and imagination are important in science because they are

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abilities in scientists that help expand our knowledge

Question 2

Scientists use statistics to

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all of the above

Question 3

Which step in the experimental method are scientists conducting when they photograph whales?

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observing

Question 4

The average mass of a penguin in a colony is an example of

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mean

Question 5

This is a systematic process you can use to help you make decisions about environmental issues.

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decision-making model

Question 6

If you are building a dam, what is an example of a question that addresses an economic value?

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How many jobs will building the dam create?

Question 7

What is the first thing you should do when making a decision?

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gather information

Question 8

The group that receives the experimental variable is called the

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experimental group

Question 9

What step in the decision-making model are you taking when you consider a possible outcome?

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exploring consequences

Question 10

These could be positive or negative and must be explored before making a decision.

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consequences

Question 11

A good hypothesis is more than a guess because it

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follows from what you know, makes logical sense, is testable

Question 12

The chance that an earthquake will occur in San Francisco this year is an example of a

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risk

Question 13

This can explain a natural event or process & reliably predict what might happen in the future.

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theory

Question 14

Three-dimensional models you can touch are referred to as

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physical models

Question 15

In a scientific investigation, the number of objects or events being sampled should be

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large so the whole population can be estimated

Question 16

the factor of interest in an experiment is called the

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variable

Question 17

Why are mathematical models important?

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all of these explain why mathematical models are important

Question 18

This group does not receive the variable in an experiment.

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control group

Question 19

The classification and collection of data that are in the form of numbers is called

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statistics

Question 20

When it's unethical or impossible to conduct experiments, scientists test by examining

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correlations

Question 21

This is a testable explanation for an observation.

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hypothesis

Question 22

This consists of a series of steps used by scientists to identify and answer questions .

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scientific method

Question 23

Maps and charts are examples of

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graphical models

Question 24

A group of similar things that a scientist is interested in learning about is

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a statistical population

Question 25

Information gathered by using the senses is known as

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an observation

Question 26

The group that does not receive the experimental treatment in an experiment is the

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control group

Question 27

A model that shows the correlation between the componenets of a system is a

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conceptual model

Chapter 2 Tools of Environmental Science - Pettit (Honors)

Questions 27

Chapter 2 Tools of Environmental Science - Pettit (Honors)

Questions 27