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EP Chapter 2
Environmental Problems
| Question | Answer |
|---|---|
| Statistics | classification and collection of data in the form of numbers, used to analyze data |
| Experimental Method | know the steps in order, series of steps to answer questions |
| Observation | pictures, gathered by senses |
| Hypothesis | makes logical sense |
| Predicting | logical statement of what will happen if hypothesis is correct |
| Experimenting | test one group, factor of interest is a variable, uses a control, procedure used to test a hypothesis |
| Conclusion | |
| Repeat experiment | |
| Communicate | |
| Control Group | no experimental treatment |
| Correlations | allows for predictions for situations which are impossible to test |
| Experimental Groups | change one variable |
| Mean | average |
| Risk | chance something will happen, unwanted outcome |
| Scientific value | will it add to our overall knowledge |
| Steps to making a decision | gather info, consequences, values, decision |
| Sample size | large enough for accurate representation |
| Curiosity and imagination | abilities to expand scientific knowledge |
| Economic value | questions about the economy |
| Environmental decision making process | gather info, values, consequences, decision |
| Probability | chance an event will happen |
| Data | numeric information gathered in an experiment |
| Sample | group of individuals used to represent a population |
| Values | environmental example, principles considered important |
| Models | |
| Graphical model | earth’s surface |
| Mathematical model | useful with many variables, create digital images, represent how a system works, equations to represent how a scientific process works |
| Physical model | model of dinosaur, three dimensional |
| Decision making model | process used to help make decisions about environmental issues |
| Conceptual | flow chart |
| Find the mean of a set of numbers | |
| Essay | apply the environmental decision making model |