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ACT® · Science: Scientific Investigation (6-11 items)

Working Backwards to the Conditions That Produce a Result (SIN 503)

Watch it drawn3 questionsPractice

Watch it explained

  1. How it worksHow do you search a trial table for the setting that delivers a result the table never actually lists?
  2. Worked exampleFind the temperature needed for a 12 gram yield when 40 C gave 8 g, 50 C gave 10 g and 60 C gave 14 g.
  3. Common mistakeWhy isn't the closest listed result always the setting a backwards question is hunting for?

Check yourself

Your turnmedium1 of 3
Trials gave 11 g of product at 44 degrees C and 24 g at 62 degrees C, with the yield rising linearly between those settings. At what temperature, in degrees C, does the trend deliver a yield exactly midway between 11 g and 24 g?

End of topic.

Next: Determining the Hypothesis Being Tested (SIN 601) →