Scientific Method Quiz

What is the first step of the scientific method?

• Experiment

• Hypothesis

• Observation

• Conclusion

Which of the following is a testable hypothesis?

• Cats are better than dogs.

• Increasing the amount of sunlight will make plants grow faster.

• Ice cream tastes better than cake.

• Video games are fun.

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NGSS.MS-LS1-5

NGSS.MS-LS2-4

What is the purpose of a control group in an experiment?

• To test multiple variables

• To change the hypothesis

• To produce the desired outcome

• To serve as a comparison

After performing an experiment and collecting data, what is the next step in the scientific method?

• Publish your results

• Collect data

• Analyze data

• Make a new hypothesis

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NGSS.MS-PS1-2

NGSS.MS-PS2-5

Which of the following best describes a scientific theory?

• A well-tested explanation that is widely accepted

• A guess made by scientists

• A law that is always true

• A hypothesis that has not been tested

Precision refers to:

• How close a measurement is to the actual value

• The number of decimal places in a measurement

• How consistent repeated measurements are

• The correctness of a measurement

Accuracy refers to:

• How close a measurement is to the true value

• How carefully the measurement is taken

Which of the following sets of measurements is the most precise? (Target Value = 50)

• 48, 49, 51, 50

• 30, 50, 70, 90

• 50, 50.1, 50.2, 50.3

• 49, 50, 51, 52

If a measurement is both precise and accurate, it:

• Depends on the instrument used

• Has high variability

• Always changes depending on the situation

• Is close to the true value and consistently the same

A scientific law is:

• An untested guess

• A description of an observed phenomenon

• A temporary explanation

• A prediction of future events

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NGSS.HS-PS2-1