Table 3: Observation of Substance A, B, C, D and E on wet cotton wool
Substance
|
Changes observed after 10min
|
Changes observed after 24h
|
Changes observed after 36h
|
Inference/ Evidence of life
|
A
|
Substance remained grainy and brown.
|
Substance remained grainy and brown.
|
Substance still remained grainy and
brownish.
|
No evidence of life.
|
B
|
Substance appears as creamy coloured
liquid.
|
Substance appears as creamy coloured
liquid.
|
Substance remains as creamy coloured
liquid.
|
No evidence of life.
|
C
|
Substance expanded in size.
|
Substance appears even larger.
|
The size of the substance is the biggest
among the three timings.
|
Living things grow.
|
D
|
Substance sprouted some yellow things.
|
More of the substance sprouted yellow
things.
|
The yellow things turned green.
|
Living things grow.
|
E
|
Substance remained brown and powdery.
|
White things appeared in between the
substance.
|
More white things appeared.
|
Living things respond to changes.
|
 |
| Substances A, B and C after 10min (clockwise from left) |
 |
| Substance D after 10min |
 |
| Substance E after 10min |
 |
| Substances D and E after 10min (anti clockwise) |
 |
| Substances A, B and C after 24hrs (clockwise from bottom) |
 |
| Substance D after 24hrs |
 |
| Substance E after 24 hours |
 |
| Substance A, B and C after 36 hours (clockwise from bottom) |
 |
| Substance B after 36 hours |
 |
| Substance A after 36 hours |
 |
| Substance C after 36 hours |
 |
| Substance D after 36 hours |
 |
| Substance E after 36 hours |
No comments:
Post a Comment