Balanced Forces: Investigating Floating Trains
force investigate
investigation observation
observe evidence
diagram non-touching force
touching force attract
data magnet
magnetic force predict
prediction push
repel explain
explanation model
gravity exert
balanced forces design
analyze unbalanced forces
electromagnet
force investigate
investigation observation
observe evidence
diagram non-touching force
touching force attract
data magnet
magnetic force predict
prediction push
repel explain
explanation model
gravity exert
balanced forces design
analyze unbalanced forces
electromagnet