November 01, 1995 Filed in:
Demo CornerJohn Childs, Grenville Christian College, Brockville
Two demonstrations from John Childs.
Read More...Tags: Electricity, Magnetism, Waves and Sound
September 01, 1995 Filed in:
Demo CornerDave Erb, Red Lake District High School
This is a demonstration of centrifugal force.
Read More...Tags: Forces
June 01, 1995 Filed in:
Demo CornerJohn Childs, Grenville Christian College, Brockville
This is an exciting force vector demonstration, which is guaranteed to create some pandemonium in your classroom! It can be done just as a visual demonstration, or as the introduction to a stimulating and challenging problem to get everyone in the class working. Your better grade-12 students can pursue the solution to a considerable length.
Read More...Tags: Forces
March 01, 1995 Filed in:
Demo CornerAlan Hirsch, Port Credit Secondary School
Having taught senior high school physics for more than 20 years, I had thought the chances of a student discovering something I hadn't seen before while performing a typical physics experiment were remote. Thus, when OAC student Karen Whiskin was performing measurements on the wavelengths of various colours of light and yelled out, "Hey sir, come and look at this!", I was not expecting to see anything new. To my surprise and joy, Karen's discovery was also a discovery for me. Using a single diffraction grating, Karen had observed the addition of light colours and had recognized that secondary light colours were being formed from primary light colours.
Read More...Tags: Light
January 01, 1995 Filed in:
Demo CornerRoland Meisel, Ridgeway Crystal Beach High School
rolameis@village.ca
A current can be run through a hotdog in order to cook it. There are commercial hotdog cookers that make use of this principle. I use it near the end of the unit on resistance in the Grade 12 Physics course.
Read More...Tags: Electricity
