The amount of energy needed to change the temperature of 1kg of a substance by `1^(@)C` is called ………….

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that describes the amount of energy required to change the temperature of 1 kg of a substance by 1 degree Celsius.

2. **Identifying the Concept**: The concept we need to identify is related to thermal energy and temperature change. We need to think about what term is used in physics to describe this specific relationship.

3. **Defining Specific Heat Capacity**: The term that describes the amount of energy needed to change the temperature of 1 kg of a substance by 1 degree Celsius is called "Specific Heat Capacity."

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