===Changes is Systems===
====[[Conservation of Energy]]====
====The Causes of Energy Transfers====
*[[Car#Energy Transfers|Accelerating Car]]
*[[Gravity#Energy Transfers|Falling]]
*[[Circuit#Energy Transfers|Electrical Circuits]]
*[[Spring#Energy Transfers|Springs]]
*[[Thermal Power Station#Energy Transfers|Power Stations]]
==Motion and Forces==
===Describing Motion===