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Scientific Method Flashcards | StudBud
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Scientific Method
Scientific Method
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basic science skills
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
Based on the graph, what was the
dependent variable
in this investigation?
hydrogen peroxide
catalase source (potato or liver)
oxygen released
Time
2
The variable this is observed and changes in response to the manipulated variable
Dependent Variable
Independent Variable
Controlled Variable
Constant Variable
3
What is the
dependent variable
for this investigation?
the average plant height
the number of days
the amount of water
the amount of fertilizer
4
Based on the graph, what was the
independent variable
in this investigation?
hydrogen peroxide
catalase source (potato or liver)
time
oxygen released
5
What is a valid conclusion that can be drawn from the experimental data?
warmer temperatures increase fish growth
the data is inconlusive
colder temperatures increase fish growth
fish only grow in warm water
6
In a controlled experiment, how many variables should be tested?
2 or 3
none
one
as many as possible
7
What is the
independent variable
for this investigation?
the average plant height
the amount of water
the number of days
the amount of fertilizer
8
What is a variable that should be
controlled
for this investigation?
the size of the pots
the type of plant
the amount of water
the amount of soil
9
The variable that is deliberately changed in an experiment. Found on the X-axis
Independent Variable
Controlled Variable
Constant Variable
Dependent Variable
10
Based on the graphs, what is the
optimal
temperature for the enzyme?
6.7
40
60
20
11
Which of the following would introduce error and bias into an experiment?
Including all data points
Ignoring results that do not fit the prediction
Having a large sample size
Repeating experimental trials multiple times
12
Baseline group that does not have changes in the independent variable
Predicted Group
Dependent Group
Control Group
Experimental Group
13
What was the dependent variable for this investigation?
type of enzyme
pH
reaction rate
temperature
14
Based on the graphs, what is the
optimal
pH for the enzyme?
7.9
40
5.1
6.5
15
A tentative scientific explanation that can be tested through experimentation
Conclusion
Observation
Belief
Hypothesis
16
Which experimental group serves as the
control
?
Pot A
Pot B
