A calorimeter can be used to measure the energy content of food - Edexcel - GCSE Biology - Question 4 - 2021 - Paper 1
Question 4
A calorimeter can be used to measure the energy content of food.
Figure 6 shows a simple calorimeter.
(i) Use words from the box to complete the sentences. (2)
The... show full transcript
Worked Solution & Example Answer:A calorimeter can be used to measure the energy content of food - Edexcel - GCSE Biology - Question 4 - 2021 - Paper 1
Step 1
The stirrer distributes heat evenly in the water.
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The stirrer enhances the circulation of the water, allowing for uniform temperature distribution throughout the calorimeter.
Step 2
The calorimeter has a lid to prevent the loss of heat.
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The lid retains the heat produced by the burning food, minimizing energy loss to the surrounding environment, which ensures more accurate measurements.