| A | B |
|---|
| Drumlins | are formed of till |
| Firn | glacial ice |
| Fjords were created by | glaciers during the last Ice Age |
| A glacial erratic is a boulder that | has been moved a considerable distance by a glacier |
| 11% of the Earth's land surface | is dominated by ice |
| Plucking occurs at the | base of the glacier |
| A Hanging Valley occurs when two | glaciers intersect at different elevations |
| An icefield can be many | miles long |
| Medial moraines are created | by two glaciers travelling parallel paths |
| Lateral moraines | are at the side of the glacier |
| A Pingo is a hill or mound | forced up by hydrostatic pressure |
| An Esker is a narrow ridge of | till deposited by a stagnant glacier |
| Glaciers are not | homongenous masses of ice |
| Ablation | net loss of ice mass due to melting |
| Glaciers have two zones of deformation | a plastic lower zone and a brittle upper zone |
| Recessional moraines were formed | at the end of the Ice Age |
| Rock glaciers are caused by | frost shattering |
| A tarn is a small steep-sided | mountain lake or pool |
| A V-shaped valley | is stream shaped |
| A U-shaped valley | results from glaciation |
