Assignment : Class VII Geography

 D.C.M. International School
Assignment of class-7th  Social Science

1.Answer the following questions:     
1.What is the crust?
2. How many elements make our earth?       
3.What are the igneous rocks?
4. From where are the fossil  fuel are found?
5.Which is the innermost layer of the earth?  (1x5=5)

2.Answer the following in two sentences
(     a) Define Lava?
(     b) Why igneous rocks are called primary rocks?
(     c) Write two features of sedimentary rocks?
(     d) Write two uses  of the minerals
(     e) What are the metamorphic rocks?  (2x5=10)

   3.Answer the following questions in detail:-

(     a) Explain the concept of Rock Cycle?  (3)
(     b) Define briefly the different layers of the earth. (3)
(     c) How are the sedimentary rocks formed? (4) 


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