Calorie is a unit of energy.

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Study for the Georgia High School Physical Science Test. Prepare with flashcards and multiple-choice questions, detailed hints and explanations included. Get ready for your exam!

Multiple Choice

Calorie is a unit of energy.

Explanation:
Energy is what lets things do work or produce heat. A calorie is a unit used to measure that energy. The small calorie is defined as the amount of heat needed to raise the temperature of 1 gram of water by 1 degree Celsius at one atmosphere. In nutrition, the Calorie (with a capital C) is actually a kilocalorie, equal to 1000 small calories, and it’s used to describe the energy content in foods. Units of mass, temperature, or distance describe matter, heat, or how far something moves, not energy, so they don’t fit this description.

Energy is what lets things do work or produce heat. A calorie is a unit used to measure that energy. The small calorie is defined as the amount of heat needed to raise the temperature of 1 gram of water by 1 degree Celsius at one atmosphere. In nutrition, the Calorie (with a capital C) is actually a kilocalorie, equal to 1000 small calories, and it’s used to describe the energy content in foods. Units of mass, temperature, or distance describe matter, heat, or how far something moves, not energy, so they don’t fit this description.

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