15 Questions
What is the term used to describe the rate of energy loss on a channel bed that can lead to erosion?
Stream power
What phenomenon can occur if a flood of water freezes and large ice chunks are formed?
Erosion
What is the main difference between bedrock and alluvium?
Bedrock is covered by alluvium.
What does the term 'bedrock channels' refer to?
Eroded paths cut through bedrock
How can the energy lost by running water when it hits something be described according to the text?
Converted into work such as erosion
Which weather condition can turn a gently flowing river into a fast-moving flood?
Constant rain
What form does energy transform into when it is lost during interactions with running water or ice?
Some other form like work
What type of channel is composed of loose alluvial sediments?
Alluvial channel
Which process involves erosion that occurs when particles scrape against each other?
Abrasion
What can be thought of as having a sandpaper-like effect on rocks?
Abrasion
What is the process of forming bedrock channels that involves the erosion and transport of large chunks of rock?
Plucking
Which feature is associated with the thawing and refreezing of moving glaciers?
Plucking
Which type of channel is less free to adjust due to the solid confines of the rock?
Bedrock channel
What happens when sediment particles carried along tumble and scrape against the bedrock walls?
Abrasion happens
'Plucking' as a process in geography refers to what activity?
'Picking up' of rock pieces by glaciers
Learn about the impact of water flow on river channels and stream power, from the peaceful flow to the destructive force of floods. Explore how ice chunks can further enhance the havoc downstream.
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