( ( ( ( ( holding ( ( ( ( ( ( ( an object ) : ) ( ( potential energy ) ( dropping ( that object ) ) ) ) : ) ( ( kinetic energy ) ( in ( a ( flash light ) ) ) ) ) : ) ( ( ( chemical energy ) ( -LRB- ( ( from ( the battery ) ) -RRB- ) ) ) ( is ( converted ( to ( ( electrical ( ( energy and ) electrical ) ) enegry ) ) ) ) ) ) ) ( is ( converted ( to ( light ( -LRB- ( energy -RRB- ) ) ) ) ) ) ) and ) ( ( the ( light energy ) ) ( is ( converted ( to ( heat ( -LRB- ( energy -RRB- ) ) ) ) ) ) ) ) . )
(ROOT (S (S (S (VP (VBG holding) (NP (NP (NP (DT an) (NN object)) (: :) (NP (NP (JJ potential) (NN energy)) (VP (VBG dropping) (NP (DT that) (NN object)))) (: :) (NP (NP (JJ kinetic) (NN energy)) (PP (IN in) (NP (DT a) (NN flash) (NN light))))) (: :) (S (NP (NP (NN chemical) (NN energy)) (PRN (-LRB- -LRB-) (PP (IN from) (NP (DT the) (NN battery))) (-RRB- -RRB-))) (VP (VBZ is) (VP (VBN converted) (PP (TO to) (NP (UCP (JJ electrical) (NN energy) (CC and) (JJ electrical)) (NN enegry))))))))) (VP (VBZ is) (VP (VBN converted) (PP (TO to) (NP (NP (NN light)) (PRN (-LRB- -LRB-) (NP (NN energy)) (-RRB- -RRB-))))))) (CC and) (S (NP (DT the) (JJ light) (NN energy)) (VP (VBZ is) (VP (VBN converted) (PP (TO to) (NP (NP (NN heat)) (PRN (-LRB- -LRB-) (NP (NN energy)) (-RRB- -RRB-))))))) (. .)))
holding an object : potential energy dropping that object: kinetic energy in a flash light: chemical energy (from the battery) is converted to electrical energy and electrical enegry is converted to light (energy) and the light energy is converted to heat (energy).
(ROOT (S (S (NP (DT The) (NN energy)) (VP (VBZ transformations) (SBAR (IN that) (S (VP (VBP occur) (SBAR (WHADVP (WRB when)) (S (NP (DT a) (NN candle) (NNS burns)) (VP (VBZ is) (VP (VBN described) (PP (IN by))))))))))) (: :) (S (NP (NP (NN chemical) (NN energy)) (PP (IN from) (NP (DT the) (NN wax)))) (VP (VBZ is) (VP (VBN converted) (PP (IN into) (NP (NN light) (CC and) (NN heat) (NN energy)))))) (. .)))