| A | B |
|---|
| snow-line | the lowest level that permanent snow reaches in the summer |
| roche mountonnees | rounded knobs of bedrock produced by moving glaciers |
| till | unsorted debris left by a glaciers |
| striations | small scratches in rock produced by small rocks scraping the bedrock |
| grooves | large troughs left in the bedrock when boulders scrape across it |
| erratic | large boulders deposited by glaciers that don't match the bedrock |
| drumlin | a canoe shaped hill of till left when a glacier runs over a moraine |
| end moraine | a large pile of till left at the end of a glacier when it melts and drops the debris it is carrying |
| terminal moraine | the moraine left at the farthest point of the glaicer's advance |
| lateral moraine | a moraine left on the side of a glacier |
| kettle lake | round depression left in the ground when a piece of a glacier breaks off and melts |
| abrasion | the scraping of rock |
| zone of wastage | area of a glacier where the snow is melting faster than it is falling |
| outwash plain | borad stratified deposit of sediment formed by the terminal moraine by glaical meltwater |
| ice shelves | large area of a continental ice sheet that extends out into the ocean |
| hanging valley | a small valley left high above the main valley floor when a tributarty glacier meets a larger glaicer, often have waterfalls |
| continental ice sheets | l very large glacier that forms in polar areas and smooths the landscape as it moves along |
| valley glaicer | slow-moving, wedge shaped stream of ice that carves sharp features into the landscape |
| stratified drift | glacial drift sorted into layers by size of particles |
| zone of accumulation | area of a glacier where snow is falling faster than it is melting |
