Energy stores, Transferring energy, work done

Name the 8 energy stores

Thermal, Kinetic, Chemical, Gravitational potential, Magnetic, Electrostatic, Elastic, Nuclear

How can energy be transferred

Mechanically, electrically, heating, radiation

Define system

Object/group of objects

What’s an open system

Matter of the system can exchange energy with the “outside world”(environment)

What’s a closed system

Matter/energy can’t enter/leave.

The overall change is always zero

What’s work done

Energy transferred

Define mechanical energy transfer

Force to move an object

Define electrical energy transfer

Flow of current

Define heating energy transfer

Energy transfers by heating from the hotter object to the cooler one

Define radiation energy transfer

The transfer of energy through space by electromagnetic radiation