Georgia Virtual School (GAVS) Health Exam

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What unit is used to measure the energy received from food?

Grams
Calories
Joules
Milliliters

The correct answer is: Calories

The energy received from food is measured in calories. A calorie is a specific unit that signifies the amount of energy needed to raise the temperature of one gram of water by one degree Celsius. This unit is widely used in nutrition to indicate the energy content of food, allowing individuals to understand how much energy they obtain from different foods they consume. While joules are also a unit of energy and can technically be used to measure food energy (since 1 calorie is approximately 4.184 joules), calories are more commonly recognized and used in dietary contexts. Grams measure weight and are not suitable for expressing energy content, while milliliters measure volume, which is also unrelated to energy measurement. Thus, calories serve as the standard for assessing energy intake in nutritional terms.