Students estimate the drop time of several objects, then test the objects as well as their hypotheses.
(Students; estimate; the drop time of several objects, then test the objects as well as their hypotheses) Context(Students estimate,List([0, 17))):(the drop time of several objects; test; the objects; T:then)
Students estimate,List([0, 17))
Students the drop time of several objects
estimate test
the drop time of several objects, then test the objects as well as their hypotheses
the objects T:then