Glaciers

A glacier is __________

• series of frozen lakes that line up parallel to one another

• series of frozen seas that rest in the interior of continents

• large body of ice that does not move across the earth's surface

• large body of ice and snow that shows evidence of movement

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

• glacial outburst

Glaciers form when _____.

• less snow falls than melts 
• more snow falls than melts 
• less rain falls than freezes 
• more rain falls than freezes 

what are large deposits of sediment that form hills referred to as?

• Valleys

• Moraine

• Sorted Sediment

• Icebergs

glacial erosion causes ______ as it moves across the land?

• plucking and striations
• beaches and sand bars
• sea caves and headlands
• sand dunes and losses

What feature forms when a glacier reaches the ocean and a portion breaks off through a process called calving?

• an alpine glacier

• a marine glacier

• an iceberg

• an ice sheet

_____ are parallel scratch marks on bedrock

• Plucking
• Abrasion
• Straitions
• Till

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

• Till
• Erratics
• Moraines
• Fjords

How do glaciers erode land?

• By picking up soil and rocks and depositing them in new location
• By picking up water from lakes and streams and carrying it to the ocean
• By causing rain and snow in an area
• By lowering the atmospheric pressure, causing intense windstorms

After Glaciers melt, what do they help create?

• Fresh Vegitation

• Lakes or Rivers

• Cooler Climates

• Lower Sea Levels