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Scientific Method
Test Description: Powerpoint notes in Life Science
Instructions: Answer all questions to get your test result.
1) Scientists often use experiments to test their ___, which are possible explanations for observations.
A
predictions
B
hypotheses
C
theory
D
control group
2) A set of related hypotheses that are supported by evidence may become accepted as a ___.
A
prediction
B
theory
C
hypothesis
D
controlled group
3) A hypothesis must be stated in a way that makes it __________.
A
testable
B
a theory
C
illogical
D
incorrect
4) In a ___ only one variable is changed at a time.
A
data
B
hypothesis
C
theories
D
controlled experiment
5) A scientist who wants to study the possible side affects of a new medicine would probably ___.
A
include a control group that received no medicine
B
use different numbers of subjects in each treatment group.
C
simply ask the subjects about the medicine's affects
D
give each experimental group the same dose of medicine
6) Science deals only with the _____.
A
natural world
B
student
C
planet Mars
D
solar system
7) In a controlled experiment ___.
A
all factors should be different
B
a variable is not needed
C
there are at least two variables
D
control group is compared with one or more experimental groups
8) In today's world, scientists form a global community. This means that ___.
A
scientists live in a single country
B
each scientist works in isolation
C
scientists share their results with other scientists
D
scientists work on the same topic
9) The set of skills or steps that scientists use to answer questions is the ___.
A
scientific method
B
variable
C
control group
D
hypothesis
10) Scientists propose ___ that can be ___ by examining evidence.
A
data/tested
B
explanations/tested
C
observations/proven
D
explanations/tested
*select an answer for all questions
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