Erosion and weathering Test Dec 7

Front

What type of glacier covers huge areas of land?

Back

continental

Front

What type of glacier forms in a mountainous area?

Back

Alpine

Front

unsorted rock material deposited directly by ice as it melts

Back

till

Front

Glaciers form when _____: less snow falls than melts, more snow falls than melts, less rain falls than freezes, more rain falls than freezes

Back

more snow falls than melts

Front

_____ is rock debris embedded in base of ice create polishing, grooves and striations.

Back

Abrasion

Front

_____ are enormous boulders transported and deposited by glaciers, often far from their source region.

Back

Erratics

Front

The cross sections show a three-stage sequence in the development of a glacial feature. Which glacial feature has formed by the end of stage 3?

Back

kettle lake

Front

The diagram represents a stream valley. Which diagram below best shows how this valley might be modified after a glacier has moved through it?

Back

Front

What type of weathering is the physical breakdown or dissolving of rocks?

Back

Mechanical

Front

What type of weathering is changing the composition of the rock or mineral?

Back

Chemical