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First 9 Weeks Review

Hypothesis educated guess
Variable the part of an experiment that can be changed or could be changed in an experiment
Independent Variable changed on purpose
Dependent Variable responds to change. (Observe the change)
Constant the part of the experiment that are kept the same in each trial
Control used for comparison
Trial the number of times an experiment is performed. The more trials the more accurate the information.
Qualitative make observations using your senses
Quantitative observations are made with instruments. The result is measurable.
Draw Conclusion Are the results reliable? Do the data and observations from the experiment support the hypothesis?
No perfect solution Scientists know that there is no perfect solution to an experiment. The results do not always support the hypothesis.
Revise conclusions Scientists must revise conclusions as new evidence is discovered that does not match existing evidence.
Skepticism part of the scientific process to consider alternative conclusions
Created by: mgrant