Nature of Science Review

Using one or more of your senses to gather information is called

• Inferring

• Observing

• Predicting

• Hypothesizing

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NGSS.4-LS1-2

An educated guess or testable prediction is a

• theory

• law

• hypothesis

• conclusion

Sir Isaac Newton’s study of gravity resulted in a scientific _____ since it described a pattern in nature with related observations.

• theory

• hypothesis

• law

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A statement that describes the most logical explanation based on experiment is a

• theory

• law

• hypothesis

Observations that deal with a number or amount are called

• qualitative

• quantitative

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NGSS.5-PS1-2

The part of an experiment that doesn't change is a _____.

• control

• constant

• conclusion

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The variable that is changed by the scientist to test a hypothesis is called the _________________________ .

• dependent variable

• independent variable

• control

Which is the best description of the dependent variable?

• the variable that is changed by the scientist

• the measurable variable

• the variable that does not change

What is another word for hypothesis?

• evidence
• graph
• investigation
• prediction

Why should an experiment be repeated?

• to form a hypothesis
• to reduce the chance of error
• to change controls
• to identify the problem

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