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AP Biology Scientific Method, Graphs, Stats Flashcards | StudBud
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AP Biology Scientific Method, Graphs, Stats
AP Biology Scientific Method, Graphs, Stats
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A #science #biology review
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1
Which of the following
IS science
and NOT considered pseudoscience.
Astrology (your horoscope)
Big foot science
Flat Earth
Astronomy (study of the stars)
2
To be a valid experiment you should have...
a control group
one independent variable
all of the above
an experimental group
3
What skill is a scientist using when she listens to the sounds that whales makes?
interpreting data
drawing conclusions
making a hypothesis
making observations
4
A positive control group
is used to demonstrate what a positive test looks like
is used to show what a negative test looks like
should show an experimental change
should not show an experimental change
5
The control group is ____
What you are measuring
The group that provides a comparison for the treatments
the data
the test groups that are being changed
6
The final part; a summary of reasonable inferences is a/an
controlled experiment
question
conclusion
hypothesis
7
A negative control group
should show an experimental change
is used to show what a negative test looks like
should not show an experimental change
is used to demonstrate what a positive test looks like
8
A hypothesis is a _____ of the outcome of the experiment.
prediction
observation
mistake
conclusion
9
Identify the dependent variable in this experiment
number of weeks
growth of crop
type of crop
amount of water
10
A null hypothesis predicts that the independent variable
will change the dependent variable
will not change the dependent variable
11
The clock chimed twice. Observation or Inference?
Observation
Inference
12
What is the independent variable in this experiment?
growth of plants
number of weeks
type of crop
amount of water
13
Ultimately, all scientific knowledge comes from...
only observation
textbooks
both experimentation and observation
only experimentation
14
What type of graph should I use if independent variable is qualitative
line
bar
scatter
bar or line
15
The variable that is changed by the scientist in an experiment is called the
controlled variable
experimental variable
dependent variable
independent variable
16
Which of the following is NOT a rule when writing a hypothesis?
It is an if/then statement
It is testable
It should restate the question
It is a prediction
17
Non Overlapping error bars indicate _________
Precision of Data
statistical significance between data
Non precision of data
No statistical significance between data
18
The factor that we measure in an experiment is called the
experimental variable
controlled variable
dependent variable
independent variable
19
The child's temperature was 101 degrees. Quantitative or Qualitative?
Quantitative
Qualitative
20
Qualitative observations are
sometimes words and numbers
words and numbers
numbers or pictures
words only
21
When you decide whether or not the data supports the original hypothesis, you are
forming a hypothesis
making observations
drawing conclusions
asking questions
22
Which graph has more precise data?
Left
Neither
Right
Both
23
What axis do you put the dependent variable on?
y
x and y
x
z
24
A hypothesis must be...
testable
proven correct
observed
experimental
