Exam Review Chapter 2

The classification and collection of data that are in the form of numbers is called

• statistics.

• probability.

• distribution.

• mean.

The group that does not receive the experimental treatment in an experiment is the

• control group.

• experimental group.

• data.

• variable.

By examining __________, scientists can test predictions for situations in which it is impossible or unethical to use experiments.

• correlations

• observations

• control groups

• variables

In an experiment, the factor of interest is called the

• control group.

• experimental group.

• hypothesis.

• variable.

The average mass of a wolf in a pack of wolves is an example of

• mean.

• distribution.

• sample size.

• statistical population.

A model of a dinosaur is an example of a _________ model.

• graphical

• mathematical

• conceptual

• physical

The chance that an earthquake will occur in your town during the next year is an example of

• correlation.

• skepticism.

• risk.

• distribution.

Tags

NGSS.MS-ESS3-2

The experimental method includes which of the following steps?

• remaining skeptical, organizing data, and analyzing data

• drawing conclusions, being open to new ideas, and communicating results

• observing, hypothesizing, predicting, experimenting, and communicating results

• being curious, imagining, being able to see patterns, observing, and predicting

Tags

NGSS.MS-PS2-2

Which step in the experimental method are scientists conducting when they photograph birds in flight?

• observing

• hypothesizing

• drawing conclusions

• analyzing data

If you consider what will add to our understanding of the natural world in making an environmental decision, you are examining a(n) _________ value.

• ethical/moral

• aesthetic

• envionmental

• scientific

Tags

NGSS.HS-ESS3-5

NGSS.HS-ETS1-3