The student is shown a schematic of an orbit and is asked to determine at which point the object is moving with the greatest/least speed; also, the student is shown various areas swept out by an object in orbit and, from a timescale of sweeping, is asked to determine which area is larger/smaller.

keywords: *orbit, Kepler's second law, speed, area, timescale*

swf file: ca_renaissance_kepler2nd.swf