Chapter 1 Review Science 8

When scientific investigations produce data that show new patterns that contradict existing conclusions, scientist should

• ignore the contradictory data and keep the old conclusions

• check the data for errors and revise or replace the old conclusions if needed

• throw out the old data and use the new data only to reach a conclusion

• change the new data so that it fits old conclusions

Observations that deal with descriptions that can not be expressed in numbers are called

• manipulated observations.

• quantitative observations

• qualitative observations

• responding variable

When scientist put things into categories or group together items that are alike in some way, they are

• inferring

• predicting

• classifying

• making models

To find out why bread left on the kitchen counter eventually molds is an example of

• using scientific inquiry.

• developing a theory.

• making a prediction.

• collecting data.

Interpreting observations based on reasoning from what you already know is called

• classifying

• predicting

• inferring

• observing

The following are sources of reliable information except

• universities.

• mueseums.

• government agencies.

• advertisements.

Being able to identify good sources of scientific information and apply knowledge to problems in your life is part of having

• scientific hypotheses.

• scientific inquiry.

• scientific literacy.

• scientific laws.

Which describes how opinion and scientific evidence are related?

• An opinion is an idea that may be formed from evidence.

• Evidence is an idea that my be confirmed by an opinion.

• Scientific evidence and opinion are not the the same thing.

• Scientific evidence and opinion are related.

Reliable information comes from a person or an organization that is not

• scientific.

• biased.

• educational.

• tested.

When scientist create a representation of a complex process, they are

• inferring.

• predicting.

• classifying.

• making models.