Question

*```SOCIAL SCIENCE PROJECT WORK FOR CLASS VII`* ``
Make a project (in 60-80 words) on the supply of water at your home taking into consideration the following points:
1. Where does the water come from?
a. Tap water b. Borewell
c. Well water d. River water e. Rainwater
f. Other sources
2. How much water (on an average ) and for what purposes do you and your family members use daily?
a. Drinking b. Other domestic uses
3. Is the water that comes to your home pure?
4. If not, what impurities does it have?
5. Do you have a water purifier at your home?
a. What kind it is?
b. What does it remove from the water?
6. What are the impurities and harmful micro-organisms in the water that you and your family members are worried about?​

Answer 1

The supply of water at home.

Explanation:

1. Where does the water come from?

• Our usage of water comes from the river. There, option d, River water.

2. How much water (on average) and for what purposes do you and your family members use daily?

• We use the river water for drinking and cooking purposes. For other domestic purposes, we use borewell water.

3. Is the water that comes to your home pure?  

• It is not as pure as the purified water, as it comes from the river.

• The water comes directly from the dam to the main pipeline.

4. If not, what impurities does it have?

• Some microorganisms are found in water.

5. Do you have a water purifier at your home?

• No, we don't have a purifier at our home.

6. What are the impurities and harmful micro-organisms in the water that you and your family members are worried about?​

• We usually drink the boiled water. So, we don't worry about the impurities and micro-organisms.

Answer 2

Answer:

the process by which green plants and some

other organisms use sunlight to synthesize

nutrients from carbon dioxide and water.

Photosynthesis in plants generally involves

the green pigment chlorophyll and generates

oxygen as a by-product.