( ( Ask ( ( the students ) ( what ( they think ) ) ) ) ( ( will ( ( happen ( to ( ( the force ) ( of ( attraction ( between ( two magnets ) ) ) ) ) ) ) ( ( as ( ( they ( ( increase ( ( the distance ) ( between them ) ) ) ( with 1 ) ) ) -RRB- ) ) ( ( ( ( ( steel washers ) or ) 2 ) -RRB- ) ( more magnets ) ) ) ) ) . ) )
(ROOT (S (S (VP (VB Ask) (NP (NP (DT the) (NNS students)) (SBAR (WHNP (WP what)) (S (NP (PRP they)) (VP (VBP think))))))) (VP (MD will) (VP (VB happen) (PP (TO to) (NP (NP (DT the) (NN force)) (PP (IN of) (NP (NP (NN attraction)) (PP (IN between) (NP (CD two) (NNS magnets))))))) (PP (IN as) (PRN (S (NP (PRP they)) (VP (VBP increase) (NP (NP (DT the) (NN distance)) (PP (IN between) (NP (PRP them)))) (PP (IN with) (NP (CD 1))))) (-RRB- -RRB-)) (NP (NP (NN steel) (NNS washers)) (CC or) (NP (CD 2)) (-RRB- -RRB-) (ADJP (RBR more) (JJ magnets)))))) (. .)))
Ask the students what they think will happen to the force of attraction between two magnets as they increase the distance between them with 1) steel washers or 2) more magnets.
(ROOT (S (S (VP (VBG Increasing) (NP (NP (DT the) (NN distance)) (PP (IN between) (NP (DT the) (CD two) (NNS magnets)))))) (VP (MD will) (VP (VB cause) (NP (DT a) (NN decrease)) (PP (IN in) (NP (NP (DT the) (NN force)) (PP (IN of) (NP (NP (NN attraction)) (PP (IN between) (NP (CD two) (NNS magnets))))))))) (. .)))
Increasing the distance between the two magnets will cause a decrease in the force of attraction between two magnets.