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Multiple Choice

Which term describes the energy of motion?

Kinetic energy is the energy of motion. In physics, objects that are moving have energy tied to their mass and how fast they’re moving. This energy increases as mass grows and as speed increases, following the relationship KE = 1/2 m v^2. That means a heavier object or one moving faster carries more energy of motion. Chemically stored energy is energy held in chemical bonds, not tied to motion. The First Law of Thermodynamics describes how energy can transform and be conserved, not a name for a specific type of energy. An ecosystem is a system of living and nonliving parts, not a term for energy form. So the term that describes the energy of motion is kinetic energy.

Kinetic energy is the energy of motion. In physics, objects that are moving have energy tied to their mass and how fast they’re moving. This energy increases as mass grows and as speed increases, following the relationship KE = 1/2 m v^2. That means a heavier object or one moving faster carries more energy of motion.

Chemically stored energy is energy held in chemical bonds, not tied to motion. The First Law of Thermodynamics describes how energy can transform and be conserved, not a name for a specific type of energy. An ecosystem is a system of living and nonliving parts, not a term for energy form. So the term that describes the energy of motion is kinetic energy.