CANGING FACES OF THE EARTH - THE PROCESS - I

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Across
  1. 1. the intensity of an earthquake is measured with an instrument called _____________.
  2. 5. the science of the study of earthquakes is called _________.
  3. 6. the point in the interior of the earths from where the earthquake tremors originate is called __________.
  4. 9. ____________ is the solid outer crust forming the surface of the earth.
  5. 10. this process of transformation of the rock from one to another is known as the __________.
  6. 15. ___________ rocks are formed through the process of metamorphism.
  7. 16. ___________ rocks are those rocks which have solidified from the molten material or the lava ejected from the interior of the earth.
  8. 21. a ___________ is a naturally occurring substance having a definite chemical composition and physical properties.
  9. 23. the point on the earths surface vertically above the focus is called _____________.
  10. 25. the upper part of the mantle.
  11. 26. tremors and vibration in the crust of the earth are called ____________.
  12. 28. the other name for core.
Down
  1. 2. ___________ rock are formed through consolidation of sediments deposited in water-bodies like river lakes and seas.
  2. 3. ____________ is the uppermost layer of the earth and is also called lithosphere.
  3. 4. remains of plants and animals trapped in layers of rocks.
  4. 7. the upper part of the vent is often a cup or saucer shaped depression, called the ________ of the volcano.
  5. 8. a _________ is the opening in the crust of the earth through which material from the interior of the earth is ejected on to the surface.
  6. 11. due to the high temperature in the interior of the earth the rocks are in molten state called ___________.
  7. 12. __________is the intermediate layer of the earths crust and core.
  8. 13. ____________ is the outer lighter part and the upper crust.
  9. 14. sometimes the material from the interior of the earth is ejected to the surface through a long crack like opening.such a volcano is called __________ volcano.
  10. 17. ___________ is the lower part of the crust.
  11. 18. people who study about earthquakes is called _________________.
  12. 19. volcanic material that flows on the surface of the earth is called __________.
  13. 20. the narrow opening of a volcano is called the ________.
  14. 22. the metallic minerals like nickel (NI) and iron (FE) due to which the core is called _________ .
  15. 24. _________ is the very hot,very dense center of the earth.
  16. 27. any mass of harder portion of the earths crust can be called __________.