Question

chapter 2 reading question 14
1 part -- of 1 point

which of the following statements best describes energy?

energy is the capacity to change the position, physical composition, or temperature of matter.
energy is the food we eat.
energy can be created and destroyed.
entropy is another name for energy.

Explanation:

• Analyze each option:
• Option 1: Energy is defined as the capacity to do work, which includes changing the position (mechanical work), physical composition (chemical work), or temperature (thermal work) of matter. This aligns with the scientific definition of energy.
• Option 2: Food contains energy (chemical energy), but energy is not the food itself. Food is a source of energy. So this is incorrect.
• Option 3: According to the law of conservation of energy, energy cannot be created or destroyed, only transformed or transferred. So this is incorrect.
• Option 4: Entropy is a measure of disorder or randomness in a system, not the same as energy. So this is incorrect.

Answer:

A. Energy is the capacity to change the position, physical composition, or temperature of matter.