1.1 © 2006 by Prentice Hall Modified By Nooran Alsalman 1 Chapter Managing the Digital Firm.
Unit c - 1.1 heat history Modified
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Heat and Temperature
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Heat History MOD
Transcript of Unit c - 1.1 heat history Modified
Heat and Temperature
We need to be warm to survive
Fire is the primary source of heat for us
We use thermometers to measure heat
We use heat for;
Homes
Sports arena
Schools
food
Lets Look at Canada
7000BC
Humans make fire
Heat over the Years
1200 A.D
Chimneys first appear in Europe
1300s
Fireplaces with chimneys are built into the walls of buildings
1700s
Cast-Iron stoves heat rooms evenly; heat does not escape up a chimney
1800s
Forced-Air heating
1906
Electric Heaters
Name 3 heat technologies that you have and tell me how you use them each day.
Would you miss them if they were taken away?
