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Scientific Method for Environmental Science Flashcards | StudBud
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Scientific Method for Environmental Science
Scientific Method for Environmental Science
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Questions
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1
When a scientist takes a picture of an organism they are making an ________________.
hypothesis
inference
observation
experiment
2
The probability of an unwanted outcome occurring is called:
odds
probablity
data
risk
3
the average mass of a goose in a gaggle of geese is an example of the
mean
mode
normalization
standard distribution
4
The probability of rolling a 1 on a die is
1/3
1/6
1/4
1/5
5
A scientist would study this if they are not able to test a hypothesis with an experiment
model
conceptual model
journal articles
correlations
6
The control group is
the group that gets the data the correlates with normality
the group that does not receive the experimental treatment
the group that receives the experimental treatment
7
When using the decision making model both ________and __________ consequences are considered
positive, negative
useful, and unuseful
positive, neutral
neutral, negative
8
If you roll a die 52 times the probability of rolling a 6 is ____________.
1/3
1/6
25%
52
9
If you roll a die 52 times and determine the probability of rolling a 5, your sample size is
2/6
1/6
52
25
10
A model of a volcano is called a _________ model
mathematical model
graphical model
physical model
conceptual model
11
A statistical population is
groups of similar things
groups of the same species in an area
any group of people
groups of the same organisms in an area
12
Scientists use statistics to
analyze data
graph data
all of the above
communicate ideas to each other
13
Are calculated probability and actual probability always the same?
maybe
yes
no
14
A principle or standard we consider important is a
good
value
idea
moral
15
The chance that a tornado will occur in your town is called:
skepticism
risk
correlation
disruption
16
The probability of flipping a quarter and landing on heads is approximately __________.
1/4
24%
50%
1/3
17
A normal distribution is often demonstrated using a
bowl shaped curve on a bar graph
bell shaped curve on a line graph
bell shaped curve on a bar graph
pie chart
18
Which of the following is NOT a rule when writing a hypothesis?
t is an if/then statement
It is a prediction.
It is testable
it should restate the question
19
In an experiment, the factor that we measure is called the
controlled variable
independent variable
dependent variable
conclusion
20
Statistics is the:
classification and collection of data
distribution of numbers
probability
mean of numbers
21
A good experiment has ______ variable (s)
2
4
1
3
22
A series of steps designed to help you solve problems and answer questions
scientific method
observation
hypothesis
experiment
23
What skill is a scientist using when she listens to the sounds that whales makes
making a hypothesis
making observations
drawing conclusions
interpreting data
24
Scientists use _______ to test a hypothesis.
models
experiments
tools
theories
25
The scientific/experimental method begins with this step
being curious
organizing data
having imagination
observing
26
A _________ can explain an observation and predict what might happen in the future.
idea
hypothesis
conclusion
theory
27
Numeric information gathered in an experiment is called:
average
statistics
data
observations
28
An experiment that tests only one variable and compares it to a control is
an independent variable
a dependent variable
a controlled experiment
a theory
29
Experiment: how does salinity affect types of plants in salt water? The independent variable is
salinity
plant life
water
