Energy Stores and Systems

current flows

Work can be done when ________ (against resistance in a circuit) or by a force moving an object.

thermal energy stores

Energy is transferred to the water (from the kettles heating element) by heating, into the waters ________ (causing the temperature of the water to rise)

Energy

________ can be transferred by heating.

total energy

The net change in the ________ of a closed system is always zero.

Energy

________ is never used up, instead it is transferred between different energy stores and different objects.

Take the example of boiling water in a kettle

you can think of the water as the system

thermal, kinetic, gravitational potential, elastic potential, chemical, magnetic, nuclear and electrostatic

The eight energy stores are ________.

energy transferred

Work is another way of saying ________.

used up

Energy is never________.

changes

When a system________, energy is transferred.

into or away from

Energy can be transferred________ the system.