( ( Evaporation ( at ( ( the surface ) ( of ( the water ) ) ) ) ) ( ( cools ( the water ) ) . ) )
(ROOT (S (NP (NP (NNP Evaporation)) (PP (IN at) (NP (NP (DT the) (NN surface)) (PP (IN of) (NP (DT the) (NN water)))))) (VP (VBZ cools) (NP (DT the) (NN water))) (. .)))
Evaporation at the surface of the water cools the water.
(ROOT (S (NP (NP (DT The) (NN impact)) (PP (IN of) (NP (NP (JJ evaporative) (NN loss)) (PP (IN of) (NP (NP (DT the) (ADJP (RBS most) (JJ energetic)) (NN water) (NNS molecules)) (PP (IN from) (NP (DT a) (NN surface)))))))) (VP (VBZ has) (NP (NP (DT the) (NN impact)) (SBAR (IN that) (S (NP (PRP it)) (VP (VBZ cools) (NP (PRP it))))))) (. .)))
The impact of evaporative loss of the most energetic water molecules from a surface has the impact that it cools it.