lab HW

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=10-1B Conduction in Action Purpose : To test the ability of different types of metal to conduct heat.=

Materials :
  • four 8 cm conduction bars (steel, brass, copper, aluminum)
  • felt pen
  • ruler
  • wax strips or candles
  • matches
  • hot plate
  • brick of block of wood
  • stopwatch
  • graph paper
  • coloured pens or pencils crayons

Procedures : see page 432
Chart:
Distance (cm)


Time (seconds)




Aluminum
Tin
Copper
Lead
Zinc
Carbon
0cm
0s
0s
0s
0s
0s
0s
2cm
12s
4s
18s
9s
15s
25s
4cm
19s
14s
20s
16s
18s
30s
6cm
29s
44s
25s
28s
28s
40s
8cm
8s
52s
45s
44s
37s
64s
Graph: