class 5 sst. Conserving our environment.

CONSERVING OUR ENVIRONMENT

A. Match the columns:

a) air pollution Paper and leaves

b) land pollution burning petrol c)water pollution fertilizers

d)biodegradable plastic

e) non biodegradable sewage from factories

B. Write true or false. If it is false correct the sentence and write it.

1. When you use a plastic bottle to store water in the refrigerator you are
   reusing the bottle
2. Trees take in oxygen and give out carbon dioxide.
3. When waste is not disposed properly, germs and disease spread.
4. Water pollution affects only plants living in the water.
5. Glass pieces found in the waste will rot over time.
6. Everything around us makes up our family.
7. Burning of fuels causes air pollution
8. Waste paper is non – bio degradable
9. Rotting of leaves can produce manure called fertilizer.

Clas 4. Our Water Wealth.

Ans1.Sea water cannot be used for drinking or irrigation as it contains salt.

Ans 2. Rivers are full of water during the monsoon months , so very often there are floods during these months . The extra water simply flows into the sea. On the other hand , many rivers dry up during the hot summer months causing shortage of water.

4. What is Hydroelectricity?
   Electricity generated from the force of water in a dam is called hydroelectricity.

Class 4 Our Mineral wealth

OUR Mineral Wealth

Q3.

Ans-- Iron and Steel Plants__ Jamshedpur and Bhillai.

Petroleum Refineries___ Assam and Gujarat.

Q5.

Ans. COAL-- Coal is mainly found in Jharkhand, Madhya Pradesh, Chattisgarh and West Bengal. It is an important fuel and source of energy. It is used to generate electricity, to run factories and as a domestic fuel.

Petroleum____ It is mainly found in Assam , Gujarat and Bombay High.

It is an important source of energy .

We get fuels like petrol , diesel, kerosene and cooking gas from petroleum.

We also get lubricants, plastics and cosmetics from it.

Q6

ans. Our mineral resources can be over very soon. So they need to be used carefully and not wasted.

Class 5 Saudi Arabia

SAUDI ARABIA

Ans 1. The climate of Saudi Arabia is hot and dry. The country gets very little rainfall

, the humidity is very low and the sun shines bright and hot throughout the year. The

nights are cool,as the sand in the desert cools down quickly at night. During winter, the nights are very cold.

Ans. 2. Plants like cacti and short shrubs , which can withstand the heat and require less water to

survive and grow in Saudi Arabia. Date palms , wheat and barley are grown in the area.

Ans 3. Peninsula:- A part of land that is jutting out into the sea and is surrounded by sea on three sides is called a peninsula

Oasis:- Places in the desert , where underground water comes to the surface forming fertile areas

is called an oasis.

Ans 5.Saudi Arabia is rich because of vast deposits of petroleum. Petroleum is exported all over the world making Saudi Arabia a rich country.

Class 6C Students

DEAR PARENTS ,
I AM VERY THANKFUL FOR THE GENORISITY YOU HAVE SHOWN BY CONTRIBUTING FOR THE GENOROUS CAUSE OF HELPING THE NOT SO PRIVILEDGED PEOPLE .
MY APPEAL TO ALL OF YOU IS THAT LET US JOIN HANDS FOR A GOOD CAUSE.
LET US BRING CHEER INTO OTHERS LIVES BY GIVING THEM AN OPPORTUNITY 
TO BETTER THEIR LIVES THROUGH QUALITY EDUCATION FROM OUR ESTEEMED INSTITUTION. 
THANKING YOU IN ANTICIPATION OF YOUR HELP IN THE UPCOMING

XAVIER FAIR.   

Class 5 SST CHAPTER 19

Ans. 1. The reformers felt that social ills like the caste system, child marriage and the killing of female babies kept Indian society divided and backward. Ans.2. The reformers felt educating the public would remove outdated customs and superstitious beliefs and would bring progress to India. Ans 4. The moderates wanted reforms so that Indians could live a better life under the Britishrule. But the extremists wanted the British to leave India and demanded self- rule.

Class5 chapter18

Ans 1. The Portuguese were the first to trade with India. Ans 2. Three other European countries that started trading with India were Denmark, France and Britain. Ans3. Each of the countries trading with India wanted a larger share of the trade so they fought among themselves . In the end , Britain won the fight and took the major share rights to trade with India. Ans 8. The British had superior weapons and greater military strength , so they were able to contain the Revolt of 1857.