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Terms in this set (52)
A scientist notices that a The development of deformities in the hatched frogs.
local population of frogs
has started to develop
deformities. He designs an
experiment to identify the
source of the deformities,
using unhatched frog
eggs and a variety of
environmental stimuli.
Which of the following
would be the dependent
variable in this
experiment?
A scientist wants to draw The study includes only a few mammals, so she
conclusions about all cannot use the data to safely draw conclusions about
mammals based on the all mammals.
results of a study in which
she compares the
anatomies of house cats,
leopards, seals, goats, and
frogs. Her peers suggest
that data from other
studies might better
support her conclusions?
Why might the experiment
be a poor choice for
finding data that support
her conclusions?
, A scientific theory is not The results of the experiment must be published so
good guesswork, there that the experiment can be repeated by other
are several steps involved scientists, along with additional experiments to prove
in developing a theory, or disprove the hypothesis.
and these steps could
take many years before a
hypothesis becomes
accepted as a scientific
theory.
Step 1: Question
Step 2: Form testable
hypothesis
Step 3: Hypothesis
supported by experiment
Step 4: ?
In the diagram, what
process happens at step
4?
The cumulative work of A theory is a well-supported scientific explanation
many scientist can often that makes useful predictions about phenomena,
be summarized as while a law is a well-supported description of
theories or laws. How is a observed phenomena.
theory different from a
law?
If a company claims that Results should have been peer reviewed and
its product has been repeated producing the same findings.
proven scientifically, which
of the following should
have taken place if the
results are to be
considered reliable?
Water has a much higher Organisms that are sensitive to changes in
specific heat than most temperature would die.
other covalent
compounds. What do you
predict might happen if
water had a low specific
heat instead?
Which of the following Both consist of carbon, hydrogen, and oxygen, but