Scientific Method Practice Quiz

Which of the following is a qualitative observation?

• The solution turned blue after adding the chemical.

Tags

NGSS.MS-PS1-2

What is an inference?

• A measurement using instruments.

• A conclusion based on observations.

• A number obtained from counting.

• A statement describing only what is seen.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-5

Which of the following best describes a quantitative observation?

• The liquid is clear.

• The plant is tall.

• The rock is rough.

In an experiment, the variable that is changed by the scientist is called the:

• Dependent variable

• Independent variable

• Controlled variable

• Responding variable

Tags

NGSS.MS-PS2-2

Which of the following is an example of an inference?

• The sky is cloudy.

• It is likely to rain soon.

• The leaves are green.

• The water is boiling.

Which statement is a qualitative observation?

• The solution has a sour taste.

What is the dependent variable in an experiment?

• The variable that is kept constant.

• The variable that is measured or observed.

• The variable that is changed by the experimenter.

• The variable that is not used.

Tags

NGSS.MS-PS3-4

Which of the following is NOT a quantitative observation?

• The solution is colorless.

If you see smoke coming from a building and say, "There is a fire," you are making:

• An observation

• An inference

• A quantitative observation

• A measurement

Which of the following is an example of a quantitative observation?

• The flower smells sweet.

• The rock is heavy.

• The solution is blue.