Chapter 1.2

What is the main goal of science?

• To memorize facts

• To discover how the rules of the natural world operate

• To create new technologies

• To entertain people.

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What is a hypothesis?

• A random guess

• A testable idea to explain a phenomenon

• A proven fact

• A scientific law.

What is the role of evidence in science?

• To confuse scientists

• To provide answers to scientific questions

• To entertain the public

• To create new problems.

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What is an independent variable?

• A variable that depends on conditions

• A variable that the scientist manipulates

• A constant factor

• A variable that cannot be changed.

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What is a dependent variable?

• A variable that the scientist manipulates

• A variable that depends on the conditions set up in the experiment

• A constant factor

• A variable that cannot be changed.

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NGSS.MS-PS2-2

What is the process of science primarily concerned with?

• Creating new technologies

• Learning about the natural world

• Memorizing facts

• Entertaining people

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NGSS.MS-LS1-1

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What do scientists use to generate predictions when they cannot observe a phenomenon directly?

• Models

• Guesses

• Experiments

• Theories

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What is the first step in scientific investigations?

• Drawing conclusions

• Making predictions

• Observation of a phenomenon

• Testing a hypothesis.

What is the purpose of an experiment?

• To entertain scientists

• To test the validity of a prediction or hypothesis

• To create new problems

• To memorize facts.

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NGSS.MS-LS1-5

What is the effect of scientific evidence?

• It confuses scientists

• It helps in reasoning and understanding

• It creates new problems

• It entertains the public.

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NGSS.HS-ESS3-5

NGSS.HS-LS2-6

NGSS.HS-LS4-1

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