home *** CD-ROM | disk | FTP | other *** search
/ The Way Things Work / Way Things Work, The (1994)(Dorling Kindersley).iso / principl / qhea / qhea1z.dib (.png) < prev    next >
Bitmap Image  |  1994-05-11  |  23.0 KB  |  275x227  |  8-bit (68 colors)
   ocr: PRODUCING HEAT Combustion Electricity Friction There are three main ways - in which we can generate heat. In each case, energy in another form changes - into heat.