Energy provided by food: practical
Lesson 4 / 9
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I can calculate the amount of energy provided by different foods by measuring a change in temperature.
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Different foods provide different amounts of energy.
The amount of energy provided by different foods can be investigated and compared by burning them.
Burning foods can heat water and the temperature change of the water measured.
The mean temperature change can be calculated from repeat measurements.
Energy provided by the food (J) = mass of water (g) × rise in temperature (°C) × 4.2.
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