Geography

Our Changing Earth

Question:

Where is Victoria Falls located? [Imp.]

Answer:

Victoria Falls is located on the borders of Zambia and Zimbabwe in Africa.

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Our Changing Earth

Q 1.

Name some coastal landforms.

Q 2.

How do the lithospheric plates move?

Q 3.

What is a delta?

Q 4.

Which earthquake is classified as a major earthquake?

Q 5.

Answer the following questions briefly:
(i)  Why do the plated move?
(ii)  What are exogenic and endogenic force?
(iii) What is erosion?
(iv) How are flood plains formed?
(v) What are sand dunes?
(vi) How are beaches formed?
(vii) What are ox-bow lakes?

Q 6.

Name the two processes which wear away the landscape.

Q 7.

Define focus' and epicentre'. [Imp.]

Q 8.

Name the scale on which the magnitude of the earthquake is measured.

Q 9.

How are glacial moraines formed?

Q 10.

Give an account of the work of wind. [V. Imp.]

Q 11.

What does the process of erosion and deposition create?

Q 12.

Name the three types of earthquake waves.

Q 13.

What is a seismograph? [V. Imp.]

Q 14.

Give reasons:
(i) Some rocks have a shape of a mushroom.
(ii) Flood plains are very fertile.
(iii) Sea caves are turned into stacks.
(iv) Buddings collapse due to earthquakes.

Q 15.

Give an account of earthquake preparedness.

Q 16.

Mention the work of ice.

Q 17.

What do you know about the lithospheric plates?

Q 18.

What is a volcano?

Q 19.

What is earthquake? What are some common earthquake prediction methods?[V. Imp.]

Q 20.

Where is Victoria Falls located? [Imp.]

Q 21.

Name a few rivers of the world that form a delta?

Q 22.

Activity
Observe the photographs given below. These are various features made by a river. Identify them and also tell whether they are erosional or depositional or landforms formed by both.
ncert-solutions-for-class-7-geography-social-science-chapter-3-our-changing-earth-5.1

Q 23.

Explain the work of a river.