| Date | May 2017 | Marks available | 4 | Reference code | 17M.3.SL.TZ2.22 |
| Level | Standard level | Paper | Paper 3 | Time zone | Time zone 2 |
| Command term | Explain | Question number | 22 | Adapted from | N/A |
Question
Explain a method to quantify the energy content in food.
Markscheme
a. description of apparatus
OR
drawing
OR
measured with a calorimeter
Allow other correct described method.
b. measure the initial mass/volume of water
c. measure the initial temperature of the water
d. measure the mass of the food
e. ignite the food and place under the container of water
f. measure the final temperature of the water
OR
calculate the change in temperature of the water
g. heat gained by the water=heat lost by the food
OR
energy=mass of water temperature rise in water x specific heat capacity of water/mass of food
Examiners report
[N/A]
Syllabus sections
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