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Scientific Method Exam
Scientific Method Exam
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1
Hypotheses can come from all of the following EXCEPT..
beliefs/opinions
prior knowledge
informed creative ideas
inferences
2
Which of the following is true about a hypothesis?
does not have to be tested to be accepted
they are always beliefs and opinions
they are not "if...then...statements"
they are inferences that can be tested
3
Which group experiences no change by the scientist and is used to compare the experiment to?
Experimental Group
Fabulous Group
Lonely Group
control group
4
What is the dependent variable?
levels of relaxation (heart rate)
curiosity
quiet room
effects of classical music
5
Select the quantitative statement about the picture.
There are 3 penguins
The penguins have yellow feathers on their heads.
6
What kind of variable must be measurable?
Dependent
Control
Independent
7
What is the independent variable?
classical music
levels of relaxation (heart rate)
curiosity
quiet room
8
Scientists publish findings so that..
their work can be replicated
their procedures can be reviewed
others can find similar results
all of these!
9
What is the control in this experiment?
curiosity
levels of relaxation (heart rate)
effects of classical music
quiet room
10
Data that has numbers is considered to be what kind of data?
qualitative
quantitative
inferred
false
11
In Redi’s experiment what is NOT controlled (kept the same throughout the experiment)?
meat
jars
temperature
gauze covering
12
Scientists have a set of steps they must follow. These steps are known as the
scientific method
experiments
hypothesis
conclusions
13
What type of data consists of descriptions and words (green, slimy, round...)?
Quantitative
Qualitative
Dependent
Independent
14
During a controlled experiment a scientist should test..
a conclusion
a mass of info
a single variable
multiple variable
15
Before Ms. Crabb drops a feather & a bowling ball, she asks which
will fall faster
? This is
an observation
a control
an inference
a variable