the chemicals in
the battery
have reacted
energy shifted from
chemical s
t
o
r
e(battery)
energy shifted to
thermal s
t
o
r
e (bulb)
energy shifted to thermal
s
t
o
r
e (surroundings)
snapshot
before
snapshot
after
the bulb
warmed up
the
surroundings
warmed up
noticing
physical
changes
a qualitative
energy
description
a quantitative
energy
description
thermal
s
t
o
r
e of energy
is filled
thermal
s
t
o
r
e of energy
is filled
chemical
s
t
o
r
e of energy
is emptied