Explain how the study of physical science has a positive impact on every day life.
Weater forecasting
Predicting astronomical events
Making better insecticides
Making more fuel efficient engines
Etc......
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Forum. I remember when I studied Physical Science I learned so many "every day" things that made much more sense to me than biology, chemistry, physics. Here is a definition:
http://en.wikipedia.org/wiki/Physical_science
friction is defined as what