( ( ( ( Physical Properties ) - ) ( State ( of ( ( ( matter ( , ( density ( , ( melting point ) ) ) ) ) , ) color ) ) ) ) . )
(ROOT (NP (NP (NNP Physical) (NNP Properties)) (: -) (NP (NP (NNP State)) (PP (IN of) (NP (NP (NN matter) (, ,) (NN density) (, ,) (JJ melting) (NN point)) (, ,) (NP (NN color))))) (. .)))
Physical Properties- State of matter, density, melting point, color.
(ROOT (S (NP (NP (NNP Density)) (PP (IN of) (NP (NN matter)))) (VP (VBZ reflects) (SBAR (WHADVP (WRB how) (RB closely)) (S (VP (VBD packed) (SBAR (S (NP (NP (DT the) (NNS particles)) (PP (IN of) (NP (NN matter)))) (VP (VBP are)))))))) (. .)))