Energy

Front

What is the definition of energy?

Back

Energy is the ability to do work or cause change.

Front

What are the energy transformations that occur in a battery-operated radio?

Back

The transformations are chemical energy to electrical energy to sound energy.

Front

What type of wave is a transverse wave?

Back

A transverse wave is a wave in which the motion of the medium is perpendicular to the direction of the wave.

Front

What energy transformation occurs in plants during photosynthesis?

Back

Plants convert radiant energy (light) into chemical energy (food).

Front

What type of energy transfer occurs when food is digested?

Back

The transfer is from chemical energy to mechanical energy.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Front

What is potential energy?

Back

Potential energy is the stored energy of an object due to its position or state.

Front

What is the law of conservation of energy?

Back

The law states that energy cannot be created or destroyed, only transformed from one form to another.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of potential and kinetic energy in an object.

Front

What is thermal energy?

Back

Thermal energy is the total kinetic energy of particles in a substance, related to temperature.