Which is not an erosional feature of sea waves?

1

(a)

Cliff

(b)

Beach

(c)

Sea cave

Which is caused by the sudden movements of the Earth?

1

(a)

Earthquake

(b)

Folding

(c)

Floodplain

What are the three types of earthquake waves?

1

(a)

A,B,C

(b)

X,Y,Z

(c)

P,S,L

(d)

P,Q,R

The steep rocky coast rising almost vertically above seawater is called

1

(a)

sea cliff

(b)

beaches

(c)

stack

(d)

sea caves

The hill-like structures which are formed by the deposition of blowing wind in deserts are called

1

(a)

mushroom rocks

(b)

loess

(c)

oasis

(d)

sand dunes

_____________and ______________of the sea waves gives rise to coastal landforms.

1

(a)

Erosion, deposition

Large deposits of loess is found in_____________

1

(a)

China

The_________________ inside the Earth moves in a circular manner.

1

(a)

molten magma

Sudden movements like_______________ and ____________cause mass destruction over the surface of the Earth.

1

(a)

earthquakes, volcanoes

The greatest damage is usually closest to the______________ and the strength of the earthquake decreases away from the____________

1

(a)

epicentre, centre

The Niagara Falls is located on border between Canada and USA in North America.

1

(a) False

(b) True

Wind is an active agent of erosion and deposition in the deserts.

1

(a) False

(b) True

The Victoria Fall is located near South America.

1

(a) True

(b) False

Place in the crust where the movement start is called epicentre.

1

(a) True

(b) False

Angel Falls in South America is the highest waterfall in the world.

1

(a) False

(b) True

In which continent, the Victoria fall is located?

1

(a)

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

What do you understand by delta?

1

(a)

The collection of sediments from all the mouths of rivers form a delta. It is triangular shaped landmass.

What are the different types of landforms found near or around sea?

1

(a)

Sea caves, sea arches, stacks and sea cliff are the different types of landforms.

How are glacial moraines formed?

1

(a)

The material carried by the glacier such as big and small rocks, sand and silt gets deposited. These deposits form glacial moraines.

State some commonly used earthquake prediction methods adopted by local people.

1

(a)

By studying animal behaviour local people can predict earthquake. For example, fish in the ponds get agitated snakes come to the surface, etc.

How are beaches formed?

3

(a)

What are ox-bow lakes?

3

(a)

What do you understand by earthquake? How can it be measured?

3

(a)

How an ox-bow lake is formed?

3

(a)

Differentiate between endogenic forces and exogenic forces.

3

(a)

Discuss the erosional work of river.

5

(a)

Solve the crossword puzzle with the help of given clues.

ACROSS
2. Loop like bend of a river.
4. Solid form of water.
7. Moving mass of ice.
9. Sudden descent of water in the bed of a river.
11. Natural cavity on weak rocks formed by action of waves.
12. Embankment on a river that keeps it in its channel.
13. Large body of sea water.
14. Dry area where sand dunes are found.
15. Small hill of sand caused by the action of the wind.
16. Flat plain formed by river deposits during time of flood.
DOWN
1. Rise and fall of water caused by friction of wind on water surface.
3. Flow of water in channel.
5. Steep perpendicular face of rock along sea coast.
6. Debris of boulder and coarse material carried by glacier.
8. Crescent shaped lake formed by meandering river.
10.Fine sand deposited by action of the wind.
13. Isolated mass of rising steep rock near a coastline.
14. Alluvial tracts of land formed by river deposits at the mouth of river.

5

(a)