Tools of Science Quiz Review

An interpretation based upon an observation is called

• A) a fact

• B) an inference

• C) a classification

• D) a measurement

While on a field trip to a large lake, an observer recorded four statements about this lake. Which of these statements is most likely an inference?

• A) The lake was formed by a glacier.

• B) The water is clear enough to see the bottom of the lake.

• C) A log is floating in the lake.

• D) The surface temperature of the lake is 18.5°C.

The eye wash station should be used when:

• A) washing off paint on your face

• B) rinsing a chemical out of your eye

• C) you need to take a drink of water

• D) rinsing out glassware used during a lab

What is the final step of the scientific method?

• A) identifying the problem

• B) drawing conclusions

• C) performing an experiment

• D) forming a hypothesis

The logical and systematic process of solving a problem is known as

• A) an experiment.

• B) the conclusion.

• C) the scientific method.

• D) a hypothesis.

During a laboratory activity, a student combined two solutions. In the laboratory report, the student wrote “A yellow color appeared.” The statement represents the student’s recorded

• A) conclusion

• B) observation

• C) hypothesis

• D) inference

Tags

NGSS.MS-PS1-2

A student performed an experiment designed to test the rate of evaporation of different solutions. He had different beakers containing water mixed with various substances, as well as one with just water. The beaker containing only water is known as the

• A) control.

• B) dependent variable.

• C) independent variable.

• D) hypothesis.

In an experiment, the factor that is changed by the experimenter is called the

• A) control.

• B) hypothesis.

• C) independent variable

• D) dependent variable

Which laboratory procedure would best show the effect of light brightness on the production of chlorophyll in pea plants?

• A) using 10 plants of different species, each grown under the same brightness

• B) using 10 plants of different species, each grown under a different brightness

• C) using 10 plants of the same species, each grown under the same brightness

• D) using 10 plants of the same species, each grown under a different brightness

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

A prediction of next winter's weather is an example of

• A) a measurement

• B) a classification

• C) an observation

• D) an inference

Tags

NGSS.MS-ESS2-5