Glaciers

which type of moraine forms along each side of a glacier?

• medial moraine

• lateral moraine

• ground moraine

• terminal moraine

Glaciers form when _____

• less snow falls than melts 

• more snow falls than melts 

• less rain falls than freezes 

• more rain falls than freezes 

When a glacier is experiencing more melting than snow accumulation it is said to be in a period of _____.

• glacial drift 

• glacial retreat 

• glacial advance 

• o  glacial outburst 

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

• Plucking

• Abrasion

• Weathering

• Erosion

Tags

NGSS.MS-ESS2-2

_____ are parallel scratch marks on bedrock

• Plucking

• Abrasion

• Straitions

• Till

Tags

NGSS.MS-ESS2-2

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

• Till

• Erratics

• Moraines

• Fjords

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?

• kettle lake

• finger lake

• drumlin

• parallel scratches

Tags

NGSS.MS-ESS2-2

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

• 
• 
• 
• 

Tags

NGSS.MS-ESS2-2

On the map, what is represented by the dark line that cuts across most of North America?

• terminal moraine

• lateral moraine

• glacial striations

Based on the shape of the terminal moraines, what direction did the glacier advance?

• North (towards the top of the picture)

• South (towards the bottom of the picture)

• East (towards the right of the picture)

• West (towards the left of the picture)

Tags

NGSS.MS-ESS2-2