Describe the physical processes contributing , Physics

a. Which materials are conducting to which other materials?

  • Water conducting can
  • Can conduct bubble wrap
  • Can to cotton wrap

b. Which layers are insulating?

Bubble wrap and cotton wool are insulating

c. Which surfaces are radiating to the air?

Cans, lids, bubble wrap and cotton wool

d.  Where is convection occurring?

Air

e. Which material has the best insulating properties? Why?

Cotton wool

f.   Explain how you found your answers from your graph data?

g.  Describe the physical processes contributing to your answer?

Plot graph

Equipment: 3 cans (can only, can with bubble wrap, and can with cotton wool), thermometer.

1.  Introduction

2.  Theory

3.  Method

4.  Results

5.  Analysis /Discussion

6.  Conclusion

7.  References , Harvard style (in-text references, author & year) plus bibliography ( with full reference)  

  Data and results

SL.No

Material

Initial Temp

Temp at 5 min

Temp  at 10 min

Temp  at 15 min

Temp at 20 min

Temp at 25 min

Overall Temp change

1

Can Only

94.5

89

83

80.5

76.5

73

21.5

2

Can with bubble wrap

94.5

91

85

83

79.8

77

17.5

3

Can with cotton wool

94.5

90

85.1

83.5

81

78.5

16

Posted Date: 2/23/2013 8:20:09 AM | Location : United States







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