| Question | Answer |
| Tests done to prove or disprove a hypothesis. | Experiments |
| The ________ group is used for comparison. | control |
| The _________ group is used to test the hypothesis. | experimental |
| The four parts of a lab are: | problem, procedure, observation, conclusion |
| A ________ is any factor in an experiment that changes. | variable |
| The ___________ is the factor that is purposely changed. | independent variable |
| The ______________ is the factor that changes as a result of the other variables and procedures in the experiment. | dependent variable |
| A _______ is any factor in an experiment that is not allowed to change. | constant |
| _________ of ________ refers to the ways the scientist changes the independent variable. | Levels of IV |
| ________________________ refers to how many times the scientist tests each level of independent variable. | Number of repeated trials |
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Created by:
sohare3
on 2011-10-26