Environmental Science Ch 2: Scientific Method

Question 1

In a scientific investigation, it is important that the # of objects/events being sampled be

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large enough to give an accurate estimate for the whole pop.

Question 2

3-dimensional models you can touch are called

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physical

Question 3

The chance that an earthquake will occur in your town during the next year is an example of

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risk

Question 4

_____ are groups of similar things scientists are interested in learning more about

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statistical population

Question 5

A model of a dinosaur is an example of a _______model

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physical

Question 6

Considering what will add to our understanding of the world in making an enviro. decision is a

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scientific value

Question 7

The procedure used by scientists to test a hypothesis is called

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experiment

Question 8

Scientists demonstrate the habit called __ when they do not believe everything they are told

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skepticism

Question 9

Which step in the scientific method are scientists conducting when they photograph birds flying

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observing

Question 10

Equations used to represent how a scientific process works are called ____ models

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mathematical

Question 11

The chance that an event will happen

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probability

Question 12

___ is a logical statement about what will happen in an experiment if the hypothesis is correct

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prediction

Question 13

____ model is a systematic process you can use to help you make decisions

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decision making

Question 14

"If a marsh is part of a preserve, will it protect our water resources?" is what type of value?

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environmental

Question 15

Curiosity and imagination are important in science because they are

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abilities in scientists that help expand our knowledge

Question 16

The experimental/scientific method includes which of the following steps?

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observing, hypothesizing, prediction, experimenting

Question 17

An example of considering an economic value would be

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How many jobs will it create

Question 18

Before you can make a decision using the decision-making model, what step must you take?

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all of the above

Question 19

Scientists use statistics to

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analyze data

Question 20

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

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control group

Question 21

What essential characteristics does a good experiment have?

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D) both B and C

Question 22

In an experiment, the factor of interest is called the

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variable

Question 23

Maps and charts are examples of ________ models

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graphical

Question 24

When you consider whether people will benefit financially from setting aside land as a park =

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exploring consequences

Question 25

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

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statistics

Question 26

The probability of an outcome that is unwanted occurring is called

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risk

Question 27

The 1st step in the decision-making model is to

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gather information

Question 28

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

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control group

Question 29

___ is a type of graph that is used to organizing/comparing data for several things in 1 graph

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bar

Question 30

A(n) ____ is a testable explanation for an observation

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hypothesis

Question 31

Principles or standards we consider important are known as _____

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values

Question 32

A good hypothesis is more than a guess because it

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D) both B and C

Question 33

The average mass of a wolf pack in a pack of wolves is an example of

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mean

Environmental Science Ch 2: Scientific Method

Questions 33

Environmental Science Ch 2: Scientific Method

Questions 33