ROCK GRADE 9 ICSE QUESTIONS FROM THE TEXTBOOK

1. List the most abundant mineral elements of the earth's crust. 2. earth as whole contains more of which my mineral elements? 3. List the three main types of rocks based on origin 4. ______are called the primary rocks.5. based on their origin the igneous rocks are classified into two types_____&______6. Giant's causeway in Northern Ireland is is an example of of solidified ____rock. 7. List some intrusive rocks 8. What is a volcanic neck? 9.. what is is hypobasal rocks? 10. Based on chemical composition igneous rocks are classified into___&____11. List some important igneous rocks 12. What is is lithification 13. list the processes involved in turning loose materials into hard rocks ? 14. List places where rock salt is found? 15 examples of mechanically formed rocks 16. How are are calcareous rocks formed? 17. Which rocks are termed as carbonaceous rocks 18. How is chalk formed 19. The types of coal which are sources of fuel for power generation? 20. List the rocks formed by agents formation. 21. List the two types of marine rocks and state how they are formed. 22. What does the term metamorphism refer to 23. When Does thermal metamorphism occur? 24. What is regional metamorphism? 25.list the economic significance of rocks. 26. How is gypsum rock formed?.27. What are clips of Normandy made of? 28. How are dykes formed? 29. What are Batholiths? 30. How are riverine rocks formed? 31. What are moraines? 32.1. Sand stone undergoes changes to form_____ 2. Original rock of graphite is_____ 33. What Is cementation?