Our Changing Earth

Consider the following statements:
1. The earth\’s crust consists of several large and some small plates which carry continents and the ocean floor.
2. These plates move because of the movement of the molten magma inside the earth.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. The movement of Lithospheric plates causes changes on the surface of the earth.
2. The forces which act in the interior of the earth are called Exogenic forces.
3. The forces which act in the Interior of the earth are called Endogenic forces.
Which of the above mentioned statements is/are Incorrect?

The sudden movements like earthquakes and volcanoes are caused by

Consider the following statements:
1. A volcano is a vent in the earth\’s crust.
2. The place in the crust where the movement starts is called the epicentre.
3. The place on the surface above the epicentre is called the focus.
Which of the above mentioned statements is/are incorrect ?

Consider the following statements:
1. Vibrations travel outwards from the epicentre as waves.
2. Greatest damage is usually closest to the focus.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. P waves or transverse waves
2. L waves or longitudinal waves
3. S waves or surface waves
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. A Seismograph is used to measure an earthquake.
2. The magnitude of the earthquake is measured on the Richter scale.
Which of the above mentioned statements is/are correct?

The breaking up of the rocks on the earth\’s surface is called

Consider the following statements:
1. Niagara falls is located on the border between Zambia and Zimbabwe in Africa.
2. Victoria Falls is located on the border between Canada and USA in North America.
Which of the above mentioned statements is/are correct?

Consider the following statements:
1. When running river tumbles at steep angle down a steep valley side, it forms a waterfall.
2. As the river enters the plain it twists and turns forming large bends known as levees.
Which of the above mentioned statements is/are correct?

Consider the following:
1. Meanders
2. Levees
3. Ox-bow lake
4. Floodplain
Arrange the above stages of river from its point of origin.

Consider the following :
1. Sea arches
2. Sea caves
3. Sea cliff
4. Sea stacks
Arrange the above coastal landforms in the order of their formation.

The moraines are the depositional feature of

The low hill like structures in desert areas are depositional feature of wind, called as