Scientific Method Quiz

Which description is true about the picture?

• accurate but not precise

• both accurate and precise

• precise but not accurate

• neither accurate nor precise

The variable that is expected to change because  of another variable is known as the _________. (the variable that you measure)

• dependent variable

• responding variable

• controlled variable

• independent variable

Noticing that sugar tastes sweet is a(n) _____.

• hypothesis

• inference

• qualitative observation

• quantitative observation

Counting the number of cookies on a plate is a(n) _____.

• hypothesis

• inference

• qualitative observation

• quantitative observation

A summary of what you have learned from a specific experiment is called a(n) _____.

• hypothesis

• conclusion

• inquiry

• law

The closeness of a measurement to its true value is its

• significant figures.

• estimate.

• accuracy.

• precision.

In science, a hypothesis must be

• correct.

• manipulated.

• controlled.

• testable.

Any information that is gathered with the senses is

• a fact.

• evidence.

• an observation.

• an investigation.

Tags

NGSS.MS-LS1-8

A student did an experiment to test the hypothesis that salt water freezes at a lower temperature than pure water. What is the independent variable in this experiment?

• temperature of water

• salt content of water

• amount of water

• freezing point of water

A(n) _____ is a possible explanation for a set of observations or an answer to a scientific question.

• dependent variable

• hypothesis

• independent variable

• conclusion