Some statements commonly seen about energy and its conservation are criticized as being loose, misleading, and useless. In particular, it is argued that any discussion which seems to put energy into the category of substance must be suspected.

This content is only available via PDF.
AAPT members receive access to the American Journal of Physics and The Physics Teacher as a member benefit. To learn more about this member benefit and becoming an AAPT member, visit the Joining AAPT page.