Notes sci process

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Notes sci process

  1. 1. Hold on to your socks, folks! This stuff is exciting! THE SCIENTIFIC PROCESS!
  2. 2. WHAT IS THE FIRST THING NEEDED FOR THE SCIENTIFIC PROCESS??? (This girl is having fun! )  Receiving knowledge of the outside world through the senses. May also include recording the new knowledge. OBSERVATION!!!!!
  3. 3. THEN: INFERENCE & HYPOTHESIS! Inference!!  The process of drawing a conclusion based on your observations and logic. Hypothesis!!  Your proposed explanation for the observed phenomena.
  4. 4. THEN, SET YOUR PARAMETERS Parameter:  How far you will be testing your hypothesis.  How in depth will you be testing?
  5. 5. Setting the PARAMETERS  EXAMPLE: If I wanted to test the lifecycle of frogs based on location (environment) I would need to decide what my parameters are.  Bay Area? California? North America? Americas (Canada, America, Central America, South America) or the entire world.
  6. 6. INDEPENDENT VS. DEPENDENT VARIABLES Manipulated Variable/Independent Variable  The variable that is being changed.  Only ONE variable changed at a time!!!!!!!!!! Responding Variable/Dependent Variable  The variable that changes as a RESULT of the independent variable.
  7. 7. INDEPENDENT VS. DEPENDENT VARIABLES WHICH IS WHICH?  Measuring the growth of a plant when “watered” with different liquids.  Counting the number of people who stop when they see a dollar on the ground.  Timing how long someone can run after drinking an energy drink.
  8. 8. CONTROL THE EXPERIMENT!! Controlled Experiment  This can be accomplished when you only have ONE variable manipulated at a time!!  Or else, how do you know which changed variable caused the results???
  9. 9. CONTROL THE EXPERIMENT!!  If I am testing what will cause people to notice T- Pain (my fish) more, I will need to create a controlled experiment.  I decide to test if a sign hanging above his bowl will cause people to notice him more, but I also buy a brighter new plant to put in his bowl.  I record that 30 more students mention T-pain throughout the day.  Which change caused the extra 30 students to notice him?
  10. 10. CONTROL THE EXPERIMENT!! How could the following experiments be controlled?  Measuring the growth of a plant when “watered” with different liquids.  Counting the number of people who stop when they see a dollar on the ground.  Timing how long someone can run after drinking an energy drink.
  11. 11. DATA-DATA-DATA-DATA-DATA! Qualitative Data:  Descriptors such as:  Color, gender, texture…  What else?? Quantitative Data:  Measureable Quantities:  Size, temp, mass…  What else???
  12. 12. DATA-DATA-DATA-DATA-DATA!  Look around the room and on your notes, write down three qualitative observations and three quantitative observations.  When you’re done, look at me.  When I tell you to, compare answers with your elbow partner.
  13. 13. THEORY VS. LAW Theory:  Widely tested and generally accepted.  We’re talking WORLD WIDE, people Law:  Predictable results from a set of conditions.  No one will argue that if you drop something, it falls down (on earth)
  14. 14. THEORY VS. LAW  Which comes first? Theory or Law?  What comes before a theory?  How many theories do you think actually exist?
  15. 15. THEORY VS. LAW “I have a theory!!!!” “No. No you don’t.”

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