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Using a Hypothesis to Find Variables

Find out how to use a hypothesis to find the variables in a scientific investigation.

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Using a Hypothesis to Find Variables

  1. 1. How to find the variables using a hypothesis
  2. 2. Step 1: Look for the variable that YOU CHOOSE to control. Example: If I drink Mountain Dew before bed, then I will not sleep very much.
  3. 3. Example: If I drink Mountain Dew before bed, then I will not sleep very much. You are in control choosing to drink Mountain Dew, so therefore it is the INDEPENDENT VARIABLE (the variable chosen by you/controlled by you).
  4. 4. Step 2: Look for the variable that will change and will be your RESULT. Example: If I drink Mountain Dew before bed, then I will not sleep very much.
  5. 5. Example: If I drink Mountain Dew before bed, then I will not sleep very much. The amount of sleep you will get will depend on what you drink before bed, so therefore it is the DEPENDENT VARIABLE (the results you are looking for).
  6. 6. Example: If I drink Mountain Dew before bed, then I will not sleep very much. INDEPENDENT VARIABLE: drinking Mountain Dew DEPENDENT VARIABLE: amount of sleep
  7. 7. Yay! You did it! Now show off your skills with some practice rounds…
  8. 8. If I leave all the lights on all day, then my electric bill will be expensive. IV: ______________________ DV: ______________________
  9. 9. If I brush my cat more, then there will be less fur on my furniture IV: ______________________ DV: ______________________
  10. 10. Now read the following experiment and identify the independent and dependent variables Elizabeth wanted to test if temperature affects how fast milk goes bad and curdles. She left milk in a room temperature closet, a fridge, and a oven that was turned on low heat. She then measured how rotten the milk was after 10 days. IV: ______________________ DV: ______________________

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  • loidapajellino

    Jun. 9, 2015

Find out how to use a hypothesis to find the variables in a scientific investigation.

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