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
|