Technology 1-2 ESO – Unit 6 WOOD extra activities
1 – Watch the video on “Parts of the Tree Trunk” and answer:
- a) The ________ is like a protective jacket for the tree.
- b) The phloem transports ______ and ________ .
- c) What does the cambium create on the inner side?
- d) What does the xylem transport?
- e) What part of the tree would you choose to construct the structure of a roof? Why?
2 – Watch the video on “Wood Treatment Steps” and answer:
- a) Why do we check the moisture?
- b) What is the “vacuum pressure vessel”?
- c) What is the function of the vacuum pump?
- d) Why do we apply pressure inside the “vacuum pressure vessel”?
- e) Why do we put the wood on a “drip pad” for one or two days?
3 – Watch the video on “How Paper Is Made” and answer:
- a) When the trees are brought to the factory, what is removed?
- b) What do we do with the wood chips?
- c) How do we give the finished paper more strength?
- d) The ________ is flattened and the ________ is squeezed out.
- e) The flattened paste is dried out, and becomes __________ .
- f) What can we use instead of wood chips to make paper?
- g) What are the benefits of recycling paper?
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4 – Fill the crossword with words about wood.
