( ( In fact ) ( , ( temperature ( ( is ( ( a measure ) ( of ( ( the ( average ( kinetic energy ) ) ) ( of ( ( the ( microscopic particles ) ) ( that ( ( make up ) ( an object ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NN fact))) (, ,) (NP (NN temperature)) (VP (VBZ is) (NP (NP (DT a) (NN measure)) (PP (IN of) (NP (NP (DT the) (JJ average) (JJ kinetic) (NN energy)) (PP (IN of) (NP (NP (DT the) (JJ microscopic) (NNS particles)) (SBAR (WHNP (WDT that)) (S (VP (VBP make) (PRT (RP up)) (NP (DT an) (NN object))))))))))) (. .)))
In fact, temperature is a measure of the average kinetic energy of the microscopic particles that make up an object.
(ROOT (S (PP (IN In) (NP (NN physics))) (, ,) (NP (NN temperature)) (VP (VBZ is) (VP (VBN defined) (PP (IN as) (NP (NP (DT the) (JJ average) (JJ kinetic) (NN energy)) (PP (IN of) (NP (NP (DT the) (NNS particles)) (PP (IN in) (NP (DT an) (NN object))))))))) (. ?)))