Teaching with the Overhead Projector

alcohol alignment Appendix approximately 180 attached bulb cardboard mount centre chalk chalkboard circle of approximately circular classroom clear acetate clock face colour Colour-Lift COLUMN OF FLUID Construction of Transparency cue card edge electrostatic copier erasure example facial tissue felt pen felt-tip markers fingertip HOUR HAND inches inexpensive keep score later items letters machine man's jacket MINUTE HAND narrow strip Notes Notes Notes opaque original outline overhead projector Overlay Systems paper copies paper strip PENNSYLVANIA STATE UNIVERSITY permanent inks permanent-ink marker permits picture pointer preparing projected projector stage protractor Q-Tip reuse rotating scissors score-sheet Scotch tape screen second acetate sheet semi-rigid sequence sheet of acetate shown Silhouettes smudging South America Standard Transparencies superimposed teacher teaching topic trace transparency line guide transparency mount TRANSPARENCY ROLL twenty sentences unattached overlay visual message washable-ink marker Wax pencils wheel of fortune white paper writing