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CBSE Class 7 Geography - Inside Our Earth
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INTERNATIONAL INDIAN SCHOOL,RIYADH
SA I [2012-2013]
CLASS :VII SUBJECT: GEOGRAPHY
CHAPTER : 2 INSIDE OUR EARTH
Fill in the blanks:
1. The remains of the dead plants and animals trapped in the layer of rocks are called ____________________.
2. Any natural mass of mineral matter that makes up earth’s crust is called ______________.
3. ______________ is a fiery red molten magma coming out from the interior of the earth on its surface.
4. _______________ are naturally occurring substances which have certain physical properties and definite chemical competitions.
5. The innermost layer of the earth is called _______________________.
6. ________________ is a very thick layer beneath the crust extending upto 2900 kilometre in depth.
7. The uppermost layer of the earth’s crust is called _____________________.
8. The main mineral constituents of the continental mass are ________________ and alumina.
9. The mantle extends up to a depth of ________________km.
10. The radius of the earth is ________________ kilometer.
11. The earth’s crust is made up of various types of _________________.
12. __________________ means fire.
13. ___________________________ means settle down.
14. ___________________________ means change of form.
15. Rocks formed in on the crust are called _______________________________________.
16. The innermost layer is the core with a radius of about __________ kilometer.
17. The process of transformation of the rock from one to another is known as the _________________.
18. The crust is about _________ kilometer on the continental masses and only ____ kilometer on the ocean floors.
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