Chapter 2 Test Review

Question 1

The independent variable is

Accepted Answer

the variable that is deliberately changed in an experiment

Question 2

This type of model relies on equations

Accepted Answer

mathematical

Question 3

One important scientific habit of mind is the ability to come up with new ideas, called

Accepted Answer

imagination

Question 4

A prediction is

Accepted Answer

logical statement about what will happen

Question 5

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

Accepted Answer

statistics

Question 6

Risk is

Accepted Answer

the probability of an unwanted outcome

Question 7

By examining___ scientists can test predictions where it is impossible to use experiments.

Accepted Answer

correlations, observations

Question 8

The dependent variable is

Accepted Answer

the variable that responds to the treatment in an experiment

Question 9

An observation is

Accepted Answer

information gathered by using the senses

Question 10

________ models are three-dimensional models you can touch

Accepted Answer

physical

Question 11

A ________ is a conceptual model that provides a systematic process for making decisions.

Accepted Answer

decision making model

Question 12

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

Accepted Answer

control group

Questions 12