Scientific Theories Quick Check
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Question
Which of the following is true about theories? (1 point)
Responses
They are formulated before an experiment begins so that scientists can properly conduct the experiment.
They are formulated before an experiment begins so that scientists can properly conduct the experiment.
Theories are formulated during an experiment when a scientist predicts what is going to happen.
Theories are formulated during an experiment when a scientist predicts what is going to happen.
Theories are formulated after one investigation produces groundbreaking results.
Theories are formulated after one investigation produces groundbreaking results.
They are formulated after several repeated investigations produce the same or similar conclusions.
They are formulated after several repeated investigations produce the same or similar conclusions.
13 answers
2 of 32 of 3 Items
Question
Why is evolution called a scientific theory?(1 point)
Responses
There is lots of evidence to support it.
There is lots of evidence to support it.
It involves the formation of all living things on the planet.
It involves the formation of all living things on the planet.
It deals with topics that are completely testable in the laboratory.
It deals with topics that are completely testable in the laboratory.
Many scientists all over the world accept it as true.
3 of 33 of 3 Items
Question
What is the goal of a theory?(1 point)
Responses
to control the outcome of an experiment
to control the outcome of an experiment
to explain natural and physical phenomena
to explain natural and physical phenomena
to analyze data from an experiment
to analyze data from an experiment
to determine independent and dependent variables
Responses
It gets ignored to maintain the original idea.
It gets ignored to maintain the original idea.
New pieces are added to the original ideas.
New pieces are added to the original ideas.
The theory is discarded for a new one.
The theory is discarded for a new one.
Science reevaluates the validity of the theory
Responses
Theories always lead to the development of new scientific ideas.
Theories always lead to the development of new scientific ideas.
Hypotheses are testable, while theories only exist conditionally.
Hypotheses are testable, while theories only exist conditionally.
Hypotheses can change with new evidence, but theories remain constant.
Hypotheses can change with new evidence, but theories remain constant.
Theories are well established with lots of evidence to support their claims.
Responses
Both a hypothesis and a theory are accepted as true statements.
Both a hypothesis and a theory are accepted as true statements.
Both a hypothesis and a theory explain why things happen.
Both a hypothesis and a theory explain why things happen.
Both a hypothesis and a theory are statements supported by data.
Both a hypothesis and a theory are statements supported by data.
Both a hypothesis and a theory need evidence to support them.
Both a hypothesis and a theory need evidence to support them.