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.

They are formulated after several repeated investigations produce the same or similar conclusions.

Scientific Theories Quick Check

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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.

There is lots of evidence to support it.

Scientific Theories Quick Check

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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

to explain natural and physical phenomena

What happens when new evidence is found that contradicts part of a theory?(1 point)

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

Science reevaluates the validity of the theory.

How does a hypothesis differ from a scientific theory?(1 point)

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.

Hypotheses are testable, while theories only exist conditionally.

How is a hypothesis similar to theory?(1 point)

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.