Environmental Science: Chapter 2

1. Experimental Group

1.1. A group that is tested in an experiment and is identical to the control group, except for one factor, and is later compared to the control group.

2. Prediction

2.1. A logical statement about what will happen if the hypothesis is supported.

3. Data

3.1. Information gathered by a scientist during an experiment, often in numeric form.

4. Hypothesis

4.1. A testable idea or explanation that leads to a scientific investigation.

5. Control Group

5.1. A group that is tested in an experiment that serves the standard of comparison with another group to which the control group is identical, except for one factor.

6. Experiment

6.1. A procedure designed to test a hypothesis under controlled conditions.

7. Observation

7.1. A piece of information that we gather using our senses and tools to extend our senses.

8. Conclusions

8.1. A judgement or decision that is reached at the end of research.