Wednesday, May 12, 2010

Method of my Experiment

Equipment
  • 6x 285mL plastic cups
  • 6x measuring cups
  • water
  • 20g of sugar
  • 20g of salt
  • 20g of tomato sauce
  • 20mL of mouth wash
  • 20mL of soft drink
  • Stopwatch
  • Scissors
  • Freezer
  • Kitchen Scale (0g - 500g)
  • Sticky Labels
Method
  1. Pour 250mL of water into each of the 6 plastic cups.
  2. Label each of the cups according to the substance being used on the particular cup.
  3. Place the plastic cups in the freezer making sure they are close to one another.
  4. Measure out the sugar, salt, tomato sauce, mouth wash and soft drink to 20g/mL each with the kitchen scale.
  5. When all the water has frozen remove them from the freezer.
  6. Using scissors cut small slits about 1cm in length at the bottom edge of each cup, keep the cut for every cup as consistent as possible.
  7. Place each of the cups into their seperate measuring cups.
  8. Pour the substance required for on the label of the cup into the correct cup. E.g. Pour tomato sauce into the cup labelled tomato sauce, etc. However leave the cup labelled 'water' alone.
  9. Place the measuring cups close together away from any sunlight to ensure accurate results.
  10. After 10 minutes check on the cups and record the amount of water (in mL) lost for each one. Keep the time using the stopwatch.
  11. Continue repeating step 10 until every single cup has completely melted, recording the results as you go.
  12. Compile the results into a table and graph.
  13. Repeat the experiment about 3-4 times for accurate results.

Sunday, May 2, 2010