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scientific method science quiz

Terms in this set (10)

Galileo was an Italian scientist who helped to develop the
A
placebo effect.
B
scientific method.
C
cannon.
D
Leaning Tower of Pisa.
scientific method
The scientific method is a(n)
A
series of steps scientists use to answer questions and investigate problems.
B
experiment done using two variables.
C
way of dividing test subjects into two groups with one group getting a placebo.
D
way to divide cells during reproduction.
series of steps scientists use to answer questions and investigate
A hypothesis is a(n)
A
kind of placebo.
B
experiment.
C
analysis of test results.
D
tentative explanation for an observation.
tentative explanation for an observation
In a controlled experiment, scientists investigate a single
A
placebo.
B
control.
C
variable.
D
cell.
variable
In a double-blind test, the non-control group receives a
A
hypothesis.
B
new medicine.
C
control.
D
placebo.
new medicine
Why is a placebo used in double-blind drug test?
A
to prevent people from having side effects from the drug
B
to keep the cost of the experiment down
C
so that everybody in the experiment thinks they took the medicine, but nobody did
D
so that the subjects and the scientists do not know which group is the control group
so that the subjects and the scientists do not know which group is the control group
The fake pill or medicine taken by members of a control group is a
A
placebo.
B
hypothesis.
C
double-blind experiment.
D
variable.
placebo
What must occur for a hypothesis to be considered fully proven?
A
Newspapers must report the event.
B
Public opinion must agree with the results.
C
Other scientists must repeat the experiment and get the same results.
D
There must be a specific number of controlled experiments.
other scientists must repeat the experiment and get the same results.
What is the first step in the scientific method?
A
forming a hypothesis
B
asking a question
C
conducting a controlled experiment
D
looking for more support
asking a question
What form do we use to write hypotheses?
A
control-test
B
question-answer
C
yes-no
D
if-then
if-then
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