Worksheetsour changing earth-1
Total questions: 25
Worksheet time: 16mins
Mushroom rocks are found in.
(a)
Ox bow lakes are found in river
(a)
------- are “rivers” of ice.
(a)
The highest waterfall is----- Falls of Venezuela in--------- America.
(a)
Sudden movements in the earth interior are cause due to ----------
(a)
The molten magma inside the earth moves in a circular manner.
true
false
Beach is an erosional feature of sea waves.
true
false
Moraine is a depositional feature of a glacier.
true
false
Volcano is caused by the sudden movements of the earth.
true
false
The strength of the earthquake increases away from the centre.
true
false
Moraine is the depositional feature of a glacier.
true
false
What are the major agents of erosion?
Water
wind
ice
Define loess?
When sand is deposited in large areas, it is called loess.
When sand is deposited in small areas, it is called loess.
What is vent?
The arrow opening of a volcano is called vent.
The narrow opening of a volcano is called vent.
What is a seismograph?
An earthquake is measured with a machine called a seismograph.
An volcano is measured with a machine called a seismograph.
What is the name of the scale used to measure earthquakes?
The magnitude of the earthquake is measured on the Richter scale.
The magnitude of the earthquake is measured on the set squar
Write some examples of coastal landforms?
sea caves
sea cliff.
stacks
sea arches
Write names of a few rivers of the world that form a delta.
Ganga-brahmaputra
Zaire
Murray-Darling
Amazon
Murray-Darling
What are distributaries?
coastal landforms are sea caves, sea arches, stacks and sea cliff.
Plates move because of the movement of the molten magma inside the earth.
The river begins to break up into a number of streams called distributaries.
Why do the plates move?
the movement of the molten magma inside the earth.
The river begins to break up into a number of streams
How are beaches formed?
when the sea waves deposit sediments along the shores.
when the ocean waves deposit sediments along the shores.
What is erosion?
Erosion is the wearing away of the landscape by different agents like water, wind and ice.
Erosion is the wearing away of the landscape by different agents like water ocean sea
What are meanders?
broken into a number of plates
As the river enters the plain it twists and turns forming large bends known as meanders.
when the sea waves deposit sediments along the shores.
What are Lithospheric plates?
The lithosphere is broken into a number of platues known as the Lithospheric plates.
The lithosphere is broken into a number of plates known as the Lithospheric plates.
How much do lithospheric plates move in a year?
move around very slowly – just a few millimetres each year.
move around very fast – just a few metres each year.
