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Conceptual Physics

Conceptual Physics
Lesson 1

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L1 Presentation Transcript

  • 1. Physics L1
  • 2. About Science
    • “ rules of the game”
    • The study of nature’s rules
      • Star patterns
      • Weather patterns
    • A way of thinking
    • A collection of knowledge
  • 3.  
  • 4. The Language of Science
  • 5. The Scientific Method
    • Recognize problem
    • Make hypothesis
    • Predict consequences
    • Perform experiments
    • Find rule
    • Hypothesis
      • Educated guess
    • Principle / Law
      • Hypotheses tested by experiments and not contradicted
  • 6. Aristotle’s hypothesis
    • Regarding the free fall of an object
    An object twice as heavy falls twice as fast
  • 7. Galileo’s experiment
    • In the absence of air resistance, all objects fall in the same time
    Tower of Pisa, Italy
  • 8. Theory
    • Not hypothesis
    • Synthesis of a large body of information
    • Includes many verified hypotheses
    • Undergoes change
      • Atomic theory
      • Cell theory
  • 9. Tests of Hypotheses
    • Scientific hypothesis can be proven right and wrong
      • “ The alignment of planets determines the best time for making decisions”
      • “ Intelligent life exists on other planets”
      • “ Most people stop for red lights”
      • “ No material object can travel faster than light”
  • 10. Over to you
    • Which hypothesis is scientific?
      • “ Atoms are the smallest particles of matter”;
      • “ Our universe is surrounded by another universe, which cannot be detected”;
      • “ Albert Einstein was the greatest physicist of the twentieth century”
  • 11. Science and Technology
    • Science
      • Answers theoretical questions
      • A way of knowing
    • Technology
      • Putting science facts to practical use
      • Interferes with life and nature
      • A way of doing
  • 12.  
  • 13. End L1