( ( ( Electron Microscope ) ( The ( electron microscope ) ) ) ( ( is ( ( ( a form ) ( of microscope ) ) ( that ( uses ( ( a beam ) ( of ( electrons ( instead ( of ( ( a beam ) ( of ( ( light ( -LRB- ( ( as ( in ( optical microscope ) ) ) -RRB- ) ) ) ( to ( form ( ( a ( large image ) ) ( of ( a ( ( very small ) object ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Electron) (NNP Microscope)) (NP (DT The) (NN electron) (NN microscope))) (VP (VBZ is) (NP (NP (DT a) (NN form)) (PP (IN of) (NP (NN microscope))) (SBAR (WHNP (WDT that)) (S (VP (VBZ uses) (NP (NP (DT a) (NN beam)) (PP (IN of) (NP (NP (NNS electrons)) (PP (RB instead) (IN of) (NP (NP (DT a) (NN beam)) (PP (IN of) (NP (NN light) (PRN (-LRB- -LRB-) (PP (RB as) (IN in) (NP (JJ optical) (NN microscope))) (-RRB- -RRB-)) (S (VP (TO to) (VP (VB form) (NP (NP (DT a) (JJ large) (NN image)) (PP (IN of) (NP (DT a) (ADJP (RB very) (JJ small)) (NN object))))))))))))))))))) (. .)))
Electron Microscope The electron microscope is a form of microscope that uses a beam of electrons instead of a beam of light (as in optical microscope) to form a large image of a very small object.
(ROOT (S (NP (DT A) (NN electron) (NN microscope)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB see) (NP (ADJP (RB extremely) (JJ small)) (NNS objects))))))) (. .)))