Fill-in the blanks - From Bark to Pith

Complete the following sentences

Instructions

  1. You can play this game on the screen or print off a hardcopy.
  2. Write the letter corresponding to the word in the box (write only the letter, not the word in full).
  3. Use the Check function at the bottom of the screen to check your answers.
  4. Check your answers one word at a time, or all at once.
  5. When an answer is correct, the word will appear in the box.
  6. Click on Help to view the answers on the screen.

Have fun with this game of associations and discovering another aspect of the wonderful world of trees!


Write the letter corresponding to the word in the boxes below:

From Bark to Pith A. cambium B. heartwood C. outer bark
D. phloem E. pith F. Sapwood

  1. The protects the tree from extreme temperatures, bad weather, insects and fungi. Very thin in birch trees, the outer bark may be one foot thick in the Douglas fir.

  2. The (bast) is also called the inner bark. It conveys the food-bearing sap developed in the leaves down to the various parts of the tree.

  3. The is a thin layer of cells which produce phloem on one side and sapwood on the other.

  4. Sapwood is the living wood in the tree through which the raw sap rises from the roots to the leaves.

  5. The consists of old cells. This is the dead part of the tree that nevertheless provides structural strength. If air could reach these cells, the heartwood would rot quickly.

  6. The is the central core of the tree.