EVALUATION: This is a good experiment that shows kids how a magnetic field can be altered.
(This; is; a good experiment that shows kids how a magnetic field can be altered) (a good experiment; shows; how a magnetic field can be altered) Context(a good experiment shows,List([20, 48))):(a magnetic field; can be altered; )
a good experiment shows,List([20, 48))
This a good experiment a magnetic field
is shows can be altered
a good experiment that shows kids how a magnetic field can be altered
how a magnetic field can be altered