As the students develop categories, in this case, the response of objects to what the kids will eventually learn to call a magnetic field, they build hypotheses to test.
(they; build; L:in this case) (the kids; will learn; to call a magnetic field; T:eventually) Context(the kids will learn,List([82, 112))):(the kids; will learn to call; a magnetic field)
the kids will learn,List([82, 112))
they the kids the kids
build will learn will learn to call
L:in this case
to call a magnetic field T:eventually
a magnetic field