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02/05/2010 (Day 1). WELCOME. http://plkclscmc-timothy.viviti.com/. 02/05/2010 (Day 1). Dictation. Check-point 6(P.151). Revision: Troubles caused by thermal expansion and contraction(P.152). Application of thermal expansion and contraction(P.152). Bimetallic strip. Brass & Iron. - PowerPoint PPT Presentation
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02/05/2010 (Day 1)
WELCOMEhttp://plkclscmc-timothy.viviti.com/
02/05/2010 (Day 1)
DictationCheck-point 6(P.151)
Revision: Troubles caused by thermal expansion and
contraction(P.152)
Application of thermal expansion and
contraction(P.152)Bimetallic strip
Brass & Iron
Experiment 6.16(P.153)FIRE ALARM
Experiment 6.16(P.153)FIRE ALARM
1. Iron should be placed close to the nail.
Experiment 6.16(P.153)FIRE ALARM
The bimetallic strip bends.
2.(a)2.(b)
The bell rings when the bimetallic strip bends and touches the iron nail.
CASE 1Bimetallic strip
After Heating
Heating
CASE 2Bimetallic strip
After Heating
Heating
QUESTIONBimetallic strip
After HeatingHeating
CASE 3Bimetallic strip
After Heating
Heating
CASE 4Bimetallic strip
After Heating
Heating
HOMEWORKWORKBOOK
Part 6.6 P.48~49Part A and B
Due date: 4-5-2010
Application of thermal expansion and
contraction(P.153)Thermostat