Do you use up the same amount of the soap in the shower each morning, or does it depend on the size of the bar of soap?
This data was collected by Rex Boggs of Glenmore State High School in Rockhampton, Queensland.
"I had a hypothesis that the daily weight of my bar of soap in my shower wasn't a linear function, the reason being that the tiny little bar of soap at the end of its life seemed to hang around for just about ever. I wanted to throw it out, but I felt I shouldn't do so until it beca
Before the Activity
Distribute student TNS file and worksheet documents prior to the lesson.