CH 15 Lab Textbook Reading and Reading Questions

(Q001) Glaciers are different from the other agents of erosion and landscape formation in that they

are solid.

(Q013) Cirques are

bowl-shaped depressions in which snowfields accumulate and create alpine glaciers

(Q012) Glacial landforms made of till that are asymmetric with their steepest sides facing toward the direction from which the ice advanced are called

drumlins

(Q009) V-shaped stream-carved valleys reshaped by mountain glaciers are typically U-shaped because glaciers

erode at all places in the valleys, not just where the stream channel had been.

(Q003) Alpine (or mountain) glaciers

flow downhill through previously existing stream-carved valleys

(Q004) Glaciers are different from streams in that they

flow more slowly.

(Q002) Continental ice sheets

flow outward from the snow fields in which they form.

(Q010) A terminal moraine

is made of till

(Q006) Streams deposit sediment when they lose kinetic energy by slowing down. Glaciers deposit sediment when they lose kinetic energy by

melting

(Q008) Sediment deposited by meltwater beyond the terminus of a glacier or in tunnels beneath it is called

outwash

(Q011) A terminal moraine forms during a period of

stagnation

(Q005) Glaciers erode the same way streams do except that

streams can erode by dissolving soluble rock, but glaciers cannot

(Q014) Well-sorted sediment makes up all of the following landforms except

terminal moraines.

(Q007) Sediment deposited directly from a retreating glacier is called

till