Conservation of Energy Review

Front

The law of conservation of energy means ________________________

Back

Energy CANNOT be created or destroyed, only transformed.

Front

When a pendulum swings, at which point is potential energy at its greatest? (assume there is no friction)

Back

1 and 5.

Front

List the energy transformations of this object.

Back

Electrical → Mechanical / Sound / Thermal Energy.

Front

What energy transformation occurs during the process of photosynthesis?

Back

Radiant to chemical.

Front

What is the energy transformation that occurs in an electric pencil sharpener?

Back

Electrical energy to mechanical energy.

Front

Define kinetic energy.

Back

The energy an object possesses due to its motion.

Front

Define potential energy.

Back

The energy stored in an object due to its position or state.

Front

What is mechanical energy?

Back

The sum of potential and kinetic energy in an object.

Front

Explain the concept of energy transformation.

Back

The process of changing energy from one form to another.

Front

What is thermal energy?

Back

The total kinetic energy of particles in a substance.