Why Doesn a Small Animal Burrow in Sand Cave-In?
Concepts: Simple physics of sand–how sand pours like a liquid when dry but will act like a solid when dealt a sudden shock, and the effect of surface tension on a granular material. Skills: Cooperative learning, observation, scientific method, measurement, and discussion. Time needed: Approximately 20 minutes for each part. Best time of year: Anytime Sunshine State Standards: LA.B.2.2.1, MA.A.1.2.3, MA.B.1.2.2, MA.B.4.2.2, SC.A.1.2.1, SC.C.1.2.1, SC.C.2.2.2, SC.C.2.2.3, SC.C.2.2.4, SC.H.1.2.1, SC.H.1.2.2, SC.H.1.2.3, SC.H.1.2.4, SC.H.1.2.5, SC.H.2.2.1, SC.H.3.2.2, SC.H.3.2.4.
