Osmosis

• Independent variable

  Concentration of salt or sugar solutions
• Dependant variable

  Change in mass of the potato pieces
• Control variables

  Volume of solution

  Temp of solutions

  Time in the solution
• Step 1

  Prepare plant tissue by using a cork board to take samples of the potato that are all the same diameter
• Step 2

  Cut the ends of the potato pieces (skin is impermeable)
• Step 3

  Cut the 3 pieces of potato by 3cm
• Step 4

  Record mass of each potato piece
• Step 5


  Measure out 10ml of distilled water