A compass by any other name...
Hanging magnet faces...
Homopolar Motors
A very simple motor!
Pinhole Viewer
A classroom activity on detector characteristics - specifically how the eye works!
Random Numbers
Worksheet #3 (easy) Locating random #s sequentially
Worksheet (1) to locate numbers sequentially.
Worksheet (2) to locate #s sequentially & key
Single-Digitization and Casting-Out 9s
Mathematical handout for 'Single-digitization' with additional worksheets and answer key.
Mathematical handout/worksheet for 'single-digitization'