Activity 8.7: Let us investigate Take water in a small cap of a bottle. Class 6
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Activity 8.7: Let us investigate Take water in a small cap of a bottle. Class 6
Activity 8.7: Let us investigate
- Take water in a small cap of a bottle (you may use sanitiser in place of water).
- Take the same amount of water in a plate. The exposed area of water in the bottle cap and the plate are different.
- Keep both of them near each other.
- Record the time taken for the water to completely evaporate in each case in Table 8.4.
Table 8.4 : Findings of the investigation
Answer:
| Exposed area of water | Time taken for complete evaporation |
| Less (bottle cap) | More |
| More (plate) | Less |
Students can record their observations in this table :
| Container used for storage | Time at which water/ sanitizer is poured | Time at which water/ sanitizer evaporate completely | Total time taken |
| Bottle cap | ___________ | ___________ | ___________ |
| Plate | ___________ | ___________ | ___________ |
Question 1.
What conditions did we keep the same? Class 6
Answer:
We kept the sample liquid same, as well as its amount same.
Question 2.
What did we change in this investigation? Class 6
Answer:
We changed the shape of the container in which liquid is taken for observation.
Question 3.
What did we measure? Class 6
Answer:
We measured the time taken for the same sample amount of the liquid in two different containers and found that the total time taken by the liquid to evaporate in plate is lesser than in the cap.