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प्रश्न
Did anyone’s plant dry up or turn yellow? Why did this happen?
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उत्तर
Yes, some students’ plants dried up or turned yellow. This happened because a proper amount of water and/or air was not provided.
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संबंधित प्रश्न
What things do you eat after sprouting? How are they sprouted? How much time does it take?
Do you remember that in Class IV you did an activity with seeds? Now try another one.
- Take some chana and three bowls.
- Put five chana in the first bowl and fill it up with water.
- Put a damp piece of cloth or some cotton wool in the second bowl. Now keep the same number of chanas in it. Make sure that the cotton wool or cloth remains wet.
- Put the same number of chanas in the third bowl. Do not put anything else in it. Cover all three bowls.
Observe after two days and note the changes in the bowls.
| Bowl 1 | Bowl 2 | Bowl 3 | |
| Are the seeds getting air? | No | Yes | Yes |
| Are the seeds getting water? | |||
| What changes did you see? | |||
| Have the seeds sprouted? |
Why did Gopal’s mother tie the chana in a damp cloth?
Was there any change in the stem of the plant?
Which seeds took the most number of days for the stem to come out of the soil?
How many types of seeds can you collect? Where will you find them? Each of you should try to collect as many different types of seeds as you can. After that, put all the seed collections together. Now observe these seeds carefully – their shapes, sizes, colours, textures (smooth or rough). Make a seed chart to put up in the class. You can start with a table like this.
Make lists of :
Light seeds (check by blowing them).
Make lists of :
Make more groups. How many groups of seeds did you make?
Plants cannot move around. Once they grow, they remain in the same place. But their seeds are great travellers! They can reach far and wide. Look at picture 1 and see the flying seeds.
Picture 1
Picture 2
What is it called in your area?
Look at the pictures given below and guess how the seeds travel and reach different places.
