Geography Questions Series || Class 7 || Our Changing Earth

 

Dear Readers

Here is the worksheet from chapter 3, Our Changing Earth from geography subject of class 7. Read the chapter and check your knowledge.

1. The lithosphere is broken into a number of plates knows as the ________.
2. The force which act in the interior of the earth are called as ________ forces.
3. The forces that work on the surface of the earth are called as ________ forces.
4. Sudden movements like ________ and ________ causes mass destruction over the surface of the earth.
5. A ________ in the earth crust through which molten material erupts suddenly.
6. The place in the crust where the movement starts is called the ________.
7. The place on the surface above the focus is called the ________.
8. An earthquake is measured with a machine called a ________.
9. The magnitude of the earthquake is measured on the ________.
10. The ________ vibrations can travel all around the earth.
11. The landscape is being continuously worn away by two processes ________ and ________.
12. The process of ________ and ________ creates different landforms on the surface of the earth.
13. When the river tumbles at steep angle over very hard rocks or down a steep valley side it forms a ________.
14. ________ is the breaking up of the rocks on the earth surface. 
15. ________ is the wearing away of the landscape by different agents like water wind and ice.
16. The highest waterfall is ________falls of Venezuela in South America
17. Niagara falls are located on the border between ________ and ________ countries.
18. Victoria falls on the border of ________ and ________ in Africa.
19. As the river enters the plain, it twists and turns forming large bends knows as ________.
20. In due courses of time the meanders loop cuts off from the river and form a cut-off lake, also called as ________.
21. As it floods, it deposits layers of fine soil and other minerals called sediments along its bank, this leads to the formation of a flat fertile ________.
22. The river began to breakup into a number of streams called ________.
23. Each distributary form its own mouth, the collection of sediments from all the mouths form a ________.
24. The erosion and deposition of the sea waves give rise to ________ landforms.
25. Over the time ________ become larger and wider thus hollow like caves are form on the rocks, they are called ________.
26. The steep rocky coast rising almost vertically above seawater is called ________.
27. We call the river of ice to ________.
28. The material carried by the glaciers such as rocks big and small, sand and silt that deposited, these deposits form________.
29. In deserts, you can see rocks in the shape of a mushroom, commonly called________.
30. When wind transport sand from one place to another and make low hill like structures, these structures are called ________.
31. When sand deposited in large areas, it is called ________.