required practicals

• Experiment: Effect of sugar solutions on plant tissue


  1. Place potato tuber cylinders in different concentrations of sugar solution

  2. Measure the mass before and after to see if water moved in or out

  3. Calculate the percentage change in mass and plot on a graph
• Measuring oxygen production to calculate rate of photosynthesis

  1. Pondweed in test tube

  2. Capillary tube and syringe

  3. Lamp at measured distance

  4. Measure distance bubble moves to calculate oxygen volume

  5. Control variables except independent variable