energy

エネルギー

物を動かしたり、熱や光、電気を生み出したりする力。

やさしい英語で： Power that makes things move or produces heat, light, or electricity.

• The sun gives us energy.
• The factory uses energy from wind turbines.
• Turning off unused lights saves energy.

類義語： power

よく使う表現： solar energy, energy source, save energy

原動力、エネルギー

動きや活動を起こす元となる力。

やさしい英語で： The force that makes movement or activity happen.

• Curiosity provided the energy behind their work.
• The writer described love as the energy driving human life.
• A shared purpose gave energy to the movement.

類義語： driving force, impetus

よく使う表現： creative energy, driving energy, energy behind something

エネルギー

物体などがどれだけ仕事をできるかを表す、測定できる量。

やさしい英語で： A measurable amount showing how much work a physical system can do.

• Energy is measured in joules.
• We calculated the ball's kinetic energy.
• The system's total energy remained constant.

よく使う表現： kinetic energy, potential energy, energy conservation