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Question

Solution Steps

1. Understand the question

   explain how this experiment tests the hypoth
   each factor below v if it was variable during the
   procedure or c if it was constant.
   molecule size (large
   starch molecules vs.
   small glucose
   molecules)
   material used as the
   membrane
   amount of substances
   used
   number of trials
   whether the molecules
   diffused through the
   membrane (tubing)

2. Brief Explanations
   1. Molecule size is the independent variable being tested (comparing large starch vs small glucose), so it varies.
   2. The membrane material must stay the same to isolate the effect of molecule size, so it is constant.
   3. Keeping the amount of substances used the same ensures a fair test, so it is constant.
   4. Using the same number of trials ensures consistent data, so it is constant.
   5. Whether molecules diffuse is the measured outcome that changes based on size, so it varies.
3. Final answer
   • molecule size (large starch molecules vs. small glucose molecules): V
   • material used as the membrane: C
   • amount of substances used: C
   • number of trials: C
   • whether the molecules diffused through the membrane (tubing): V

Answer

Question Analysis

OCR Text

explain how this experiment tests the hypoth
each factor below v if it was variable during the
procedure or c if it was constant.
molecule size (large
starch molecules vs.
small glucose
molecules)
material used as the
membrane
amount of substances
used
number of trials
whether the molecules
diffused through the
membrane (tubing)

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