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Front

What is the definition of energy?

Back

Energy is the ability to cause change.

Front

True or False: The law of conservation of energy states that energy can be created or destroyed.

Back

False. The law of conservation of energy states that energy cannot be created or destroyed, so the total amount of energy in the universe is constant.

Front

What is the amount of energy stored in a resting object called?

Back

Potential energy.

Front

What is the primary source of energy for the Earth's climate system?

Back

Solar energy.

Front

How is the rate at which work is done defined?

Back

Power.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object due to its motion.

Front

What is the formula for calculating kinetic energy?

Back

Kinetic energy (KE) = 1/2 mv², where m is mass and v is velocity.

Front

What is the difference between potential energy and kinetic energy?

Back

Potential energy is stored energy based on an object's position, while kinetic energy is the energy of an object in motion.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential and kinetic energy in a system.

Front

What is the unit of energy in the International System of Units (SI)?

Back

The unit of energy is the Joule (J).