| A | B |
| Which step in the experimental method are scientists conducting when they photograph birds in flight? | observing |
| You must do this before making a decision using a decision-making model. | gather info, consider the values that apply, look at consequences of action |
| The chance of an earthquake happening in your town is an example of .... | risk |
| The group that DOES NOT receive the experimental treatment in an experiment.... | control group |
| A good hypothesis is more than a guess because it..... | makes logical sense and states what is likely to happen |
| In a scientific investigation, it is important that the number of objects or events being sampled be.... | large enough to give an accurate estimate for the whole population |
| The experimental method includes which of the following steps? | observing, hypothesizing, predicting, experimenting, and communicating ideas |
| The essential characteristics of a good experiment.... | a single variable is tested and a control is used |
| By examining _____, scientists can test predictions for situations in which it is impossible or unethical to use experiments. | correlations |
| In an experiment, the factor of interest is called the..... | experimental group |