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Chapter 1 Notes

Chapter 1 Notes. Physical Science Force. Real (or Pure) Gathering of new information or the discovery of a new fact Examples How the eye works. Applied (or Technology) Practical use of scientific information Examples Glasses and contacts. Two Types of Science. Experiments. Experiment

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Chapter 1 Notes

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  1. Chapter 1 Notes Physical Science Force

  2. Real (or Pure) Gathering of new information or the discovery of a new fact Examples How the eye works Applied (or Technology) Practical use of scientific information Examples Glasses and contacts Two Types of Science

  3. Experiments • Experiment • Defn: an organized procedure for testing a hypothesis • Hypothesis • An educated guess • Guess with background knowledge • A testable prediction

  4. Hypothesis • If I change __________________, then ________________ will change, because of ______________________. • Ex: If I go out to the bus 20 minutes later at 7:30, then I will not catch the bus, because the bus comes at 7:15.

  5. Parts of an Experiment • Control • Defn: a standard for comparison • Constant • Defn: a factor that doesn’t vary in an experiment • Variable • Defn: something that can change in an experiment

  6. Two Types of Variables • Independent Variable • Defn: the factor changed or adjusted by the experimenter • Dependent Variable • Defn: the factor that changes due to the change in the independent variable

  7. More Hypothesis • If I change , then . will change, because of (independent variable) (dependent variable) (background information, educated portion)

  8. Inferences and Observations • Observation • Something that you can gather using your 5 senses (sight, touch, hearing, smell, taste) • Inferences • Something you can guess based on observations

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