1.
2.
3.
4.
Energy
is "the capacity to do work or to cause heat flow"(S.S.Zumdahl,
Chemistry)
1. chemical
energy --> kineticenergy
2.chemical energy
--> light energy + heat energy.
3. chemical
energy --> electrical
energy 4. light
energy --> electrical
energy --> chemical
energy.
Work
is a force over a distance. Force
is everything "pushing, pulling and lifting" (P.Warren, Physics
for life)