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