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Scientific Method: Environmental Science Ch. 2 Flashcards | StudBud
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Scientific Method: Environmental Science Ch. 2
Scientific Method: Environmental Science Ch. 2
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#SciMethodReview
Flashcards
30 cards
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Questions
30
Answers
1
In a controlled experiment, the thing that changes because of the independent variable is the
control group
dependent variable
independent variable
2
Calculating the total sum of 20 numbers and dividing by 20 would be an example of
Mode
Range
Median
Mean
3
Maps or Charts
Mathematical model
Graphical model
Physical model
Conceptual model
4
Identify the value: "I vote to not build the prison in downtown Brunswick"
Both are correct
Aesthetic
Cultural or social
Neither is correct
5
Which of the following is not one of the models used to help present data or information?
Physical
Conceptual
Hypothetical
Graphical
6
If a theory correctly predicts the results of many different experiments, it could become a
variable
law
model
hypothesis
7
A display of circled terms or phrases with arrows connecting one focal point to another
Graphical model
Mathematical model
Conceptual model
Physical model
8
The chance or percentage that something could occur is
Risk
Prediction
Probability
Theory
9
An explanation for a range of hypotheses and observations supported by testing is called a
Scientific law
Mathematical model
Hypothesis
Theory
10
What is the purpose of using scientific methods?
to follow steps in order
to answer questions
to make careful observations
to do cool experiments
11
In a controlled experiment, the piece that the experimenter is changing is called the
dependent variable
independent variable
control group
12
The classification and collection of data using numbers is called
Distribution
Probability
Statistics
Mean
13
A statement made in an if/then format is called a
hypothesis/prediction
variable
conclusion
question
14
What is the advantage of the International System of Units (SI)
it is based on the foot and the pound
It's easy to change from one unit to another
It is never used by scientists
America developed it a long time ago
15
Not believing everything you read or hear is
Statistics
skepticism
probability
Linguistic
16
A sample size in a scientific investigation needs to be
Equal to the total statistical population
a guess of likely an unwanted outcome will occurr
Large enough to be valid
Equal to the mean number of objects or events not sampled
17
A method of obtaining information by using the senses is called
experimentation
observation
questioning
hypothesis
18
Curious, imaginative, skeptical, attention to detail, open-minded
Traits of all scientists
Traits of biologists
Traits of engineers
Traits of geologist
19
Something that helps you complete a task is called a(n)
model
tool
observation
measurement
20
True or False: the prefix "bio" means "living"
True
False
21
In an experiment, the factor that changes is called the
variable
Experimental group
control group
hypothesis
22
Making measurements with tools such as thermometers is a kind of
conclusion
prediction
hypothesis
observation
23
If a marsh is included as part of a nature preserve, will it protect our water resources?
social/cultural value
Aesthetic value
educational value
environmental value
24
Pieces of information acquired through observation or experimentation is called
research
hypothesis
observation
data
25
After a scientists forms a hypothesis, the next step is to
Test the hypothesis
Draw conclusions
Analyze the results
Share it with other scientists
26
The first step of the engineering design process is
improving the design
making a prototype
experimentation
identifying and researching a need
27
A good experiment must have
a control group
Multiple trials/test
an experimental group
all of the above
28
In a controlled experiment, the group that is being used for comparison is the
control group
dependent variable
independent variable
29
The chance that a volcano will errupt
Correlation
Risk
Distribution
Skepticism
30
The chance of something happening that is "unwanted", for example an earthquake
Percentage
Risk
Probability
Prediction