|
|
|
|
|
Experiment No. 12
|
Question:
What is Diffusion? |
Experiments: To discover what is meant by diffusion.
Materials:
Method:You will need:
Perfume,
ink,
beaker,
pasteur pipette,
H2O
Perfume
- Spray perfume in one corner of the room and record how long it takes different
pupils at different distances to smell it.
Ink – Put ink into a beaker of water
using a pasteur pipette and watch the ink diffuse to colour the water.
Result/Conclusion:
The ink/perfume diffused from an area where it was high in concentration
to where it was in low concentration.
|
Find
out more! |
Diffusion is the movement of molecules from an area of high concentration to an area of low concentration.
Sixth Class Experiments
1.
Can
Water Move up a Flower?
2. How
can you show that water moves through the branch of a tree and its leaves?
3. How can you see the roots of a plant grow if they're underground?
4. Can a plant beat an obstacle course and grow towards what it needs?
5. Can you grow your own mould?
7. What causes us to feel breathless?
8. Can you prove that humans breathe out CO2?
11. What happens when Yeast has sugar to feed on?
13. How does the selective barrier in a cell work?
14. Are cells in vegetables damaged when they're cooked?
15. How hard does the heart work?
16. How can you see your pulse?
17. How can you discover if food contains starch?
18. How can you discover if food contains protein?