Class 7 chapter 2 geography (give reasons)


Class 7
Chapter 1 (Geography)
Inside the Earth
Worksheet
Give Reason:
Q1. Why we cannot go to the Centre of the earth?
Ans:
1.     The centre of the earth is lying about 6000 km from the ocean floor.
2.     It has extremely high temperature and pressure.
3.     There is only molten magma at the earth’s centre.
4.     Oxygen is absent from this region.
5.     Such conditions do not permit the survival of any living organism.
6.     Thus we cannot go to the centre of the earth.
Q2. How sedimentary rocks are formed from sediments?
Ans: When big rocks break down into small fragments (sediments), they are transported and deposited by the factors like water and wind. These sediments compress and harden over years to form layers and layers of rocks. These rocks are known as sedimentary rocks.

Comments

Post a Comment

Popular posts from this blog

chapter 14 class 5 worksheet

CLASS 5 EVS CHAPTER-14 (WHEN THE EARTH SHOOK) WORKSHEET Q1. CHOOSE THE CORRECT ANSWER TO FILL IN THE BLANKS: ---                                  a)       If there is no rain, crops can fail and there is shortage of food grains. It is called _____.(Drought) b)       Shortage of water and food can result in ______.                                                                       (Famine)   c)    ...
Read more

Worksheet Chapter 3 Class 5

CLASS 5 SUBJECT EVS                          (December) CHAPTER 3 FROM TASTING TO DIGESTING WORKSHEET Q1. Fill in the blanks with the correct answer           (November syllabus) 1.      Tamarind and lemon are______ where as the jaggery is _____ in taste.(sour, sweet) 2.      If someone has loose motions and vomiting, he should be given ____ and ____ solution.(salt and sugar) 3.      _________ took some liquids out of stomach to know about the digestive system.(Dr. Beaumont) 4.      Boiled milk takes _____ hours to digest in the stomach. (2) 5.      We should get enough and healthy food to _____ and ______ properly. (grow, develop) 6.      Most rice grow in _____ district in Ori...
Read more

Worksheet of Chapter 1 Super Senses Class 5

                           D. C. MODEL SR. SEC. SCHOOL FEROZEPUR CANTT                                               CLASS 5 SUBJECT EVS                                   CHAPTER 1 SUPER SENSES (WORKSHEET)  Q1. MARK(Y) FOR THE CORRECT STATEMENT AND CROSS(X) FOR THE WRONG STATEMENT ALSO CORRECT THE WRONG STATEMENT.  1. Snake don’t have ears. [Y]  2. We can see many lizards around us during winter season. [x]  Correct statement: We cannot see lizards around us during winter season.  3. The tiger’s whiskers help it find its prey. [Y]  4. Jim Corbett National Park is situated in Uttrakhand. [Y]  5. Mosquitoes can find you by the smell of your body. [Y]  Q3. AN...
Read more