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</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</p> Signup and view all the answers

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

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

    What type of channel is composed of loose alluvial sediments?

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

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

    <p>Abrasion</p> Signup and view all the answers

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

    <p>Abrasion</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</p> Signup and view all the answers

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

    <p>Plucking</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</p> Signup and view all the answers

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

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

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