Procedure : At a specified time each day, students measure the length of shadow that a vertical meter stick casts.
(students; measure; the length of shadow that a vertical meter stick casts; T:At a specified time each day) (the length of shadow; casts; a vertical meter stick)
students the length of shadow
measure casts
the length of shadow that a vertical meter stick casts T:At a specified time each day
a vertical meter stick