Bedrock Channels & Stream Power
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Questions and Answers

What is the term used to describe the rate of energy loss on a channel bed that can lead to erosion?

  • Stream capacity
  • Channel power
  • Stream power (correct)
  • Hydraulic energy

What phenomenon can occur if a flood of water freezes and large ice chunks are formed?

  • Erosion (correct)
  • Deposition
  • Sedimentation
  • Alluviation

What is the main difference between bedrock and alluvium?

  • Bedrock is softer than alluvium.
  • Alluvium is solid rock, while bedrock is loose soil.
  • Alluvium serves as a foundation, while bedrock doesn't.
  • Bedrock is covered by alluvium. (correct)

What does the term 'bedrock channels' refer to?

<p>Eroded paths cut through bedrock (D)</p> Signup and view all the answers

How can the energy lost by running water when it hits something be described according to the text?

<p>Converted into work such as erosion (B)</p> Signup and view all the answers

Which weather condition can turn a gently flowing river into a fast-moving flood?

<p>Constant rain (C)</p> Signup and view all the answers

What form does energy transform into when it is lost during interactions with running water or ice?

<p>Some other form like work (D)</p> Signup and view all the answers

What type of channel is composed of loose alluvial sediments?

<p>Alluvial channel (D)</p> Signup and view all the answers

Which process involves erosion that occurs when particles scrape against each other?

<p>Abrasion (C)</p> Signup and view all the answers

What can be thought of as having a sandpaper-like effect on rocks?

<p>Abrasion (C)</p> Signup and view all the answers

What is the process of forming bedrock channels that involves the erosion and transport of large chunks of rock?

<p>Plucking (D)</p> Signup and view all the answers

Which feature is associated with the thawing and refreezing of moving glaciers?

<p>Plucking (B)</p> Signup and view all the answers

Which type of channel is less free to adjust due to the solid confines of the rock?

<p>Bedrock channel (B)</p> Signup and view all the answers

What happens when sediment particles carried along tumble and scrape against the bedrock walls?

<p>Abrasion happens (C)</p> Signup and view all the answers

'Plucking' as a process in geography refers to what activity?

<p>'Picking up' of rock pieces by glaciers (B)</p> Signup and view all the answers

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