Research Methods in Science - Introduction
http://www.visionlearning.com/library/module_viewer.php?mid=148
Description - Describing what is happening in planetary movements.
http://www.visionlearning.com/library/module_viewer.php?mid=151
Modeling - Developing a model of the phenomena being studied
http://www.visionlearning.com/library/module_viewer.php?mid=153
Experimenting - Changing the inputs of an experiment or giving a treatment to a sample of subjects
http://www.visionlearning.com/library/module_viewer.php?mid=150
Comparison - Examples: Comparing the health of smokers with the health of non-smokers
http://www.visionlearning.com/library/module_viewer.php?mid=152
Process of Science
http://www.visionlearning.com/library/cat_view.php?cid=49
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