They learn to describe the motion of objects in terms of speed and direction and relate changes in the motion of objects to a force&#151;a push or a pull&#151;that acts on an object.
(that; acts; on an object) Context(that acts,List([159, 168))):(They; learn; to describe the motion of objects in terms of speed and direction and relate changes in the motion of objects to a force&#151;a push or a pull&#151) Context(They learn that acts,List([0, 168))):(They; learn to describe; the motion of objects)
that acts,List([159, 168)) They learn that acts,List([0, 168))
that They They
acts learn learn to describe
on an object
to describe the motion of objects in terms of speed and direction and relate changes in the motion of objects to a force&#151;a push or a pull&#151
the motion of objects