Sci Method Lecture

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Sci Method Lecture

  1. 1. Science 8
  2. 2. Science <ul><li>Science- having knowledge </li></ul><ul><ul><li>From scire (Latin)- to know </li></ul></ul><ul><li>Facts- Stuff we know </li></ul><ul><li>Laws- proven patterns </li></ul><ul><li>Theory- untested explanation </li></ul>
  3. 3. Scientific Method <ul><li>Method to solve problems </li></ul><ul><li>Planned, organized approach to solve problems </li></ul><ul><li>Example: </li></ul><ul><ul><li>What should I wear today? </li></ul></ul><ul><ul><li>Why is my sister mad at me? </li></ul></ul><ul><ul><li>What is the cure for cancer? </li></ul></ul>
  4. 4. Problem <ul><li>Question to be investigated </li></ul><ul><li>What do you want to know </li></ul><ul><li>MUST be clear </li></ul><ul><li>MUST be in the form of a question </li></ul><ul><li>Example: </li></ul>
  5. 5. Research <ul><li>Known information about the topic </li></ul><ul><li>Used to design an experiment </li></ul><ul><li>Always keep a record of what you have learned and where you learned it </li></ul><ul><li>Why? </li></ul>
  6. 6. Hypothesis <ul><li>Hypo- “below”; Thesis- “theory” </li></ul><ul><li>Prediction of what YOU think will happen </li></ul><ul><li>“I think……..because………” </li></ul><ul><li>Example: </li></ul>
  7. 7. Experiment <ul><li>Process you will follow to answer your problem </li></ul><ul><li>Allows you to collect data and observations </li></ul><ul><li>Procedure- steps to collect data </li></ul>
  8. 8. Variables <ul><li>changeable factors </li></ul><ul><ul><li>Independent- Can be changed by a scienctist </li></ul></ul><ul><ul><ul><li>Ex: Color of shirt </li></ul></ul></ul><ul><ul><li>Dependant- can change if independent changes </li></ul></ul><ul><ul><ul><li>Ex: Mood </li></ul></ul></ul><ul><ul><li>Control- Remains constant. Use to compare your results to. </li></ul></ul><ul><ul><ul><li>Ex: White Shirt </li></ul></ul></ul>
  9. 9. Data & Observations <ul><li>Observations- Qualitative measurements </li></ul><ul><ul><li>Ex: My sister is angry. </li></ul></ul><ul><ul><li>My sister is red. </li></ul></ul><ul><li>Data- quantitative measurement </li></ul><ul><ul><li>Metric Measurements </li></ul></ul><ul><ul><li>Ex: My sister became red in 5 seconds. </li></ul></ul>
  10. 10. Conclusions <ul><li>Summarizes what you learned </li></ul><ul><li>MUST do two things: </li></ul><ul><ul><li>Answer the problem. </li></ul></ul><ul><ul><ul><li>My sister’s mood does not change with color. </li></ul></ul></ul><ul><ul><li>Prove or disprove the hypothesis </li></ul></ul><ul><ul><ul><li>My hypothesis was wrong. My sister said she was mad because she had a bad day. </li></ul></ul></ul>

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