Intro_to_Physical_Science_-_Chapter_1.ppt
- 2. Science?
- 3. Natural Sciences Physical Science Earth and Space Science Biology (Life Science) Physics Chemistry
- 4. Chemistry The study of: the composition (make-up) of matter the changes that matter undergoes
- 5. Physics The study of the physical world including motion, energy, light, electricity, magnetism, sound etc.
- 6. Physics Concepts include Mass: the amount of matter in an object. Weight: The force with which the earth pulls on an object. Force: A push or a pull Energy: Ability to do work(to apply a force and move an object.)
- 7. Scientific Method Recognize a problem Hypothesis- an educated guess, must be testable. Observation -measurement, data collection (experiment) Conclusion
- 8. Scientific Theory A well- tested explanation for a set of observations.
- 9. Scientific Law or Principle Describes and summarizes an observed pattern in nature without attempting to explain it. A hypothesis that has been repeatedly tested and not contradicted. Change or are abandoned when contradicted.
- 10. Scientific Models A representation of an object or an event, that helps us visualize and understand them.
- 11. Demo Catching a falling ruler
- 12. Law or Principle A hypothesis that has been repeatedly tested and not contradicted Change or are abandoned when contradicted
- 13. Scientific Fact Observation May change
- 14. Science and Technology Pure Science Done for the sake of knowledge Applied Science (Technology) Done with a purpose of solving a problem. Has an application.
- 15. Pure Science or Technology?
- 16. Pure Science or Technology?
- 17. Pure Science or Technology?
- 18. Pure Science or Technology?