Worksheet: The Changing Face of Earth | Window on the Word Class 7: Solutions, Notes & Worksheets PDF Download

Q1: Multiple Choice Questions

(i) What is not caused by endogenic forces?
(a) An earthquake
(b) A volcanic eruption
(c) Weathering
(d) Tsunami

(ii) Sudden movements inside the Earth cause:
(a) Floodplains
(b) Earthquakes
(c) Folding
(d) Meanders

(iii) What is an instrument used to measure the intensity of an earthquake?
(a) Wind
(b) An earthquake
(c) A volcano
(d) A seismograph

(iv) Magma that comes out onto the surface of the Earth is known as:
(a) Lava
(b) Loess
(c) Stacks
(d) Mantle

(v) In the course of a river, ox-bow lakes are formed in its:
(a) Upper course
(b) Middle course
(c) Lower course
(d) Mouth

Q2: True or False

(i) Earthquakes and volcanoes are caused by exogenous processes.
(ii) Faults are formed when two tectonic plates push towards each other.
(iii) The point inside the Earth at which the earthquake originates is the epicenter.
(iv) A sand dune is a feature of sea erosion.
(v) U-shaped valleys are created by rivers.

Q3: Match the Column

Q4: Fill in the Blanks

(i) __________ forces originate deep below the Earth's surface and result in the formation of landforms like volcanoes and fold mountains.
(ii) The movement of tectonic plates is powered by heat energy released from deep inside the Earth due to __________.
(iii) When two tectonic plates pull away from each other, __________ appear on the Earth's surface.
(iv) The instrument used to measure the intensity of an earthquake is called a __________.
(v) Glaciers are slow-moving rivers of__________ formed by the accumulation and compaction of snow.