In the activities, students, in their journals, complete an investigation report as they observe changes that occur when steel wool is exposed to different substances (water, vegetable oil, and air);
(students; complete; an investigation report; T:as they observe changes; L:In the activities; L:in their journals) (they; observe; changes that occur) (changes; occur; T:when steel wool is exposed to different substances) (steel wool; is exposed; to different substances)
students they changes steel wool
complete observe occur is exposed
an investigation report T:as they observe changes L:In the activities L:in their journals
changes that occur
T:when steel wool is exposed to different substances
to different substances