Forms of Energy and Transformations

Front

What happens when work is done?

Back

There is always a transfer of energy.

Front

According to the Law of Conservation of Energy, energy cannot be _________ or ____________.

Back

created, destroyed

Front

What type of energy transformation occurs in hydro-electric power?

Back

Mechanical to electrical.

Front

What occurs during energy transformations?

Back

Energy changes from one form to another.

Front

What does gravitational potential energy depend on?

Back

Height and mass.

Front

Define kinetic energy.

Back

The energy an object possesses due to its motion.

Front

What is potential energy?

Back

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

Front

What is the formula for gravitational potential energy?

Back

PE = mgh (where m = mass, g = acceleration due to gravity, h = height).

Front

What is mechanical energy?

Back

The sum of potential and kinetic energy in an object.

Front

What is thermal energy?

Back

The total kinetic energy of particles in a substance.