Write an activity to separate unhealthy seeds from healthy seeds
Answers
Answer:
how to separate an healthy seeds and un healthy seeds
Explanation:
first we should take a one glass of water. we should keep all the seeds in that water. which seed float on the waterit is it is unhealthy seed.
we should do the same method. first we should take a one glass of water. we should keep all the seeds in the water. v v seeds godown it is healthy seeds.
Procedure
(1) Take a beaker and fill half of it with water.
(ii) Put a handful of wheat seeds in the beaker.
(iii) Stir the water and leave the set-up standing for some time.
(iv) Observe the seeds carefully.
Observation
Some seeds float on water while others sink and settle at the bottom.
Conclusion
The floating seeds are damaged or unhealthy seeds while the seeds that settle at the bottom are good and healthy seeds. We should use the seeds that are settle at the bottom.
Precautions
(1) Stir the seeds carefully.
(i) Handle the glassware carefully.