Our Changing Earth (Class-7)

Which is caused by the sudden movements of the earth?

• Volcano

• Folding

• Flood plain

The lithosphere is broken into a number of .........

• Cups

• Plates

A ............. is a vent in the earth's crust through which molten material erupts suddenly.

• volcano

• earthquake

As the river enters the plain it twists and turns forming large bendes known as ...................

• meanders

• ox-bow lake

Which waterfall is the highest in the world?

• Angel Falls

• Tugela falls

• Yumbilla Falls

What is a force that breaks down rock into smaller pieces?

• weathering

• erosion

• deposition

• volcanoes

Angel falls found __________ in South America

• Algeria

• Brazil

• Peru

• Venezuela

The depositional feature of a glacier is:

• Flood plain

• Beach

• Moraine

A glacier is a slowly moving mass of __________.

• rock
• wind
• ice 
• sediment

In deposition, __________ builds up in a place.

• water
• ice
• sediment
• carbon dioxide