Appendix
CHAPTER 1 – TRANSPORT ( TSA / V )
Aim/ Objective | : | To study the relationship between total surface area per volume ratio and the rate of diffusion. | √ E1 PI 1 |
Problem | : | What is the relationship between total surface area per volume ratio and the rate of diffusion? | √ E1 PI 2 |
Hypothesis | : | The larger the total surface area per volume ratio / the smaller the size of cube, the faster the rate of diffusion. | √ E1 PI 3 |
Variables |
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Manipulated | : | Total surface area per volume ratio / the size of cubes. | |
Responding | : | Rate of diffusion. | √ E1 PI 4 |
Fixed | : | Colored water temperature / time taken. | |
Material | : | Potato, Colored water. | |
Apparatus | : | Penknife, white tiles, beaker, forceps, basin and gridded transparency. | √ E1 PI 5 |
Technique | : | Calculate the rate of diffusion by using a formula.
Rate of diffusion = Percentage of colored area (%min-1) Time taken | √ E1 PI 6 |
Procedure | : |
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Result | : |
Rate of diffusion = Percentage of colored area (%min-1) Time taken |
√ E3 PI 1
√ E4 PI 1
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Discussion |
| √ E4 P1 2 | ||||||||||||||||
Conclusion | : | The larger the total surface area per volume ratio / the smaller the size of cube, the faster the rate of diffusion.
Hypothesis is accepted. | √ E4 PI 3 |
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