Materials: For each group of two students strong bar magnet commercial compass For each student sewing needle petri dish or small bowl small piece of cork or plastic (or something else that floats and would hold up the sewing needle such as a small Styrofoam ball) water Activity Instructions: 1.
(strong bar magnet commercial compass For each student sewing needle petri dish or small bowl small piece of cork or plastic (or something else; would hold up; the sewing needle such as a small Styrofoam ball; T:For each group of two students)
strong bar magnet commercial compass For each student sewing needle petri dish or small bowl small piece of cork or plastic (or something else
would hold up
the sewing needle such as a small Styrofoam ball T:For each group of two students