Chapter 1.3 Review (7th) Question Preview (ID: 39224)
Scientific Inquiry.
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How do scientists often begin their process of inquiry?
a) someone else may have already asked
b) by posing a question
c) answer the question
d)
The diverse ways in which scientists study the natural world and propose explanations based on the evidence they gather.
a) observations
b) hypothesis
c) controlled experiment
d) scientific inquiry
Can you test a hypothesis that crickets chirp more when they hide under logs?
a) Yes
b) No
c)
d)
A possible answer to a scientific question.
a) hypothesis
b) theory
c) law
d) variable
An experiment must follow sound scientific principles for its results to be valid.
a) true
b) false
c)
d)
Something that can change in an experiment
a) hypothesis
b) theory
c) variables
d) responding variable
The one variable that is purposely changed to test a hypothesis. Also known as the independent variable.
a) responding variable
b) manipulated variable
c) dependent variable
d) variables
The factor that may change in response to the manipulated variable. Also known as the dependent variable.
a) manipulated variable
b) independent variable
c) variables
d) responding variable
A manipulated variable is ______________________ changed.
a) purposely
b) not purposely
c)
d)
A responding variable is ___________________ changed.
a) purposely
b) not purposely
c)
d)
An experiment in which only one variable is manipulated at a time
a) experimental bias
b) controlled experiment
c) scientific inquiry
d)
The facts, figures, and other evidence gathered through qualitative and quantitative observations.
a) experiment
b) evidence
c) data
d)
A well-tested explanation for a wide range of observations and experimental results.
a) scientific theory
b) scientific law
c) scientific inquiry
d)
A statement that describes what scientists expect to happen every time under a particular set of conditions.
a) scientific theory
b) scientific law
c) scientific inquiry
d)
The statement, All objects in the universe attract each other, is an example of which of the following?
a) scientific inquiry
b) scientific theory
c) scientific law
d) controlled experiment
Many trials are not needed before a hypothesis can be accepted as true
a) true
b) false
c)
d)
A conclusion is a summary of what is learned from an experiment.
a) true
b) false
c)
d)
A hypothesis is not the same as a fact.
a) true
b) false
c)
d)
Facts and figures are examples of variables
a) true
b) false
c)
d)
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