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 the 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?

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Solution

Disclaimer: The purpose of this question is to make the students participate in day-to-day activities, based upon which they can make logical deductions. Considering the sustenance of this process of participation the answer to this question has not been provided.

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Make groups of four friends. For the experiment you will need 4-5 glasses or bowls, spoons, water, and the things listed in the table. Take some water in each glass. Now try to dissolve one thing in one glass. Observe what happens and note in the table.

Things	Did it dissolve or not?	What happened after keeping for 2 minutes?

Soil
Chalk powder
1 spoon milk
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Q. Place a fist full of Bengal gram (or any other seeds)seeds in a bowl of water sink. You found some float while others sink. Why do some seeds float and others sink?

Q. • This is the picture of a musical instrument called a Jaltarang.
Make your own Jaltarang
- Get six to ten bowls of the same size and shape.
- Pour water into the bowls. Keep the water at different levels.
- Use two pencils and strike the rim of the bowls to make musical sounds.

Disclaimer: Kindly refer the textbook for the image.

• The word Jaltarang is made up of two words Jal - water, tarang - music. Now make new words by joining two words. One has been done for you.

news + paper	newspaper	bath + room
school + bag		time + table
tooth + paste		foot + ball
neck + lace		car + pet
some + one


Day	Changes in the bread or roti
	By touch	By smell	By looking through hand lens	By colour
1.
2.
3.
4.
5.
6.

Find out the reason for these changes. From where did the fungus come on the bread?
Different kinds of food items spoil due to different reasons. Some foods spoil soon, some stay good for long. List some seasons and conditions in which food spoils quickly.

Given below are some food items and some simple methods by which these could be kept fresh for 1-2 days. Match the correct pairs:

Food items	Methods
Milk	Put in a bowl and keep the bowl in a container with some water.
Cooked rice	Wrap in a damp cloth.
Green coriander (Dhania)	Boil it.
Onion, garlic	Keep it in a dry open place

Take a clay pot or a tin can with a wide mouth. Make a small hole at the bottom of the can. Fill your can with soil. Put four or five seeds of the same kind in the soil and press them gently. Different group can plant different kinds of seeds, such as mustard (sarson), fenugreek (methi), sesame (til) or coriander (dhania).

Write

Name of the seed : ____________

The date on which you planted them: ___________

The day you observe something coming out of the soil, start filling the table:

Date	Height of the plant (in cm)	Number of leaves seen	Any other change

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	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?