This very simple to perform demo can be made very memorable by ensuring the students see it as a discrepant event. Students are expecting to see a free fall but instead see a low terminal velocity with no obvious source of friction.
The demonstrations/activities in this resource have been designed to challenge students' thinking as well as initiate lively classroom discussions that support constructivist learning. These short... read more
Categories: Teacher Demonstration
A pendulum is constructed from a 1.0-kg mass suspended from the ceiling, with a length of strong string long enough so that, when pulled about 40o from the vertical, the mass comes to nose level. The... read more