( ( ( ( ( ( ( ( 3.0 Understand ) ( that ( ( chemical reactions ) ( can ( be ( classified ( according ( to ( atom rearrangement ) ) ) ) ) ) ) ) ) , ) ( ( the type ) ( of ( substances reacting ) ) ) ) , ) and ) energy ) ( transfer . ) )
(ROOT (S (NP (NP (NP (NNP 3.0) (NNP Understand)) (SBAR (IN that) (S (NP (NN chemical) (NNS reactions)) (VP (MD can) (VP (VB be) (VP (VBN classified) (PP (VBG according) (PP (TO to) (NP (NN atom) (NN rearrangement)))))))))) (, ,) (NP (NP (DT the) (NN type)) (PP (IN of) (NP (NP (NNS substances)) (VP (VBG reacting))))) (, ,) (CC and) (NP (NN energy))) (VP (VB transfer)) (. .)))
3.0 Understand that chemical reactions can be classified according to atom rearrangement, the type of substances reacting, and energy transfer.
(ROOT (S (NP (NNP Energy)) (VP (VBZ is) (VP (VBN stored) (PP (IN in) (NP (NP (DT a) (JJ chemical) (NN substance)) (PP (IN between) (NP (NNS atoms))))))) (. .)))
Energy is stored in a chemical substance between atoms.