*****5 STAR SALE $19.99 Hottest New! PREMIUM S.T.E.M. SCIENCE ACTIVITY TIME CAPSULE 2020. The Student Will: DEMONSTRATE an understanding that in science, a time capsule is a historic cache of goods or information, usually intended as a deliberate method of communication with future people, and to help future archaeologists, anthropologists, or historians . . . BY . . . CONSTRUCTING a time capsule that will hold the materials placed in it, for an indefinite period of time . . . Perhaps . . . hund