Physics - Chapter 1

Card Set Information

Physics - Chapter 1
2012-09-12 15:59:06

. . .
Show Answers:

  1. mechanics
    motions and its causes, interactions between objects
  2. thermodynamics
    heat and temperature
  3. vibrations and wave phenomena
    specific types of repetitive motions
  4. optics
  5. electromagnetism
    electricity, magnetism, and light
  6. relativity
    partivles moving at any speed, including very high speeds
  7. quantum mechanics
    behavior of submicroscopic particles
  8. scientific method
    • 1. make observations and collect data that lead to a question
    • 2. formulate and objectively test hypothesis by experiments
    • 3. interpret results, and revise the hypothesis if necessary
    • 4. state conclusions in a form that can be evaluated by others
  9. model
    a pattern, plan, representation, or description designed to know the structure or workings of an object, system, or concept
  10. system
    a set of particles or interacting components considered to be a distinct physical entity for the purpose of study
  11. hypothesis
    an explanation that is based on prior scientific research or observations and that can be tested
  12. controlled experiment
    an experiment that tests only one factor at a time by using a comparison of a control group with an experimental group
  13. accuracy
    a description of how close a measurement is to the correct or accepted value of the quantity measured
  14. precision
    the degree of exactness of a measurement
  15. significant figures
    those digits in a measurement that are known with certainty plus the first digit that is uncertain
  16. method error
    if some measurements are taken using one method and some are taken using a different method
  17. uncertainty
    a numeric measure of confidence in a measurement or result