After tightly sealing the bottle, the students should gently rock the bottle and share their observations with their group.
(the students; should gently rock; the bottle; T:After tightly sealing the bottle) (the students; share; their observations; with their group; T:After tightly sealing the bottle)
the students the students
should gently rock share
the bottle T:After tightly sealing the bottle
their observations with their group T:After tightly sealing the bottle