Understanding Hardwoods and Softwoods in Trees

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Questions and Answers

Which part of a tree carries moisture from the roots to the leaves?

  • Cambium layer inside of inner bark
  • Sapwood (correct)
  • Outer bark
  • Wood rays

What makes the heartwood darker and more durable compared to sapwood?

  • Ageing and natural substances called extractives (correct)
  • Lighter color
  • Being softer in texture
  • Higher moisture content

Which type of wood is older in a tree trunk?

  • Heartwood (correct)
  • Outer bark
  • Wood rays
  • Pith

Where does the cambium layer generate new wood during a tree's growth?

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

Which part of the tree becomes less permeable as sapwood changes into it during a tree's life?

<p>Sapwood (A)</p> Signup and view all the answers

What is the main reason why heartwood dries more slowly than sapwood?

<p>It usually has more surface checks and honeycombs (D)</p> Signup and view all the answers

How is moisture content in wood expressed?

<p>As a percentage of oven-dry weight (B)</p> Signup and view all the answers

Which classification of wood is typically used for general construction purposes?

<p>Softwood (A)</p> Signup and view all the answers

What is the main cause of warping known as 'bowing'?

<p>Convex/concave distortion longitudinally (B)</p> Signup and view all the answers

What term refers to cracks or lengthwise separations across the annual rings of growth in wood?

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

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