Exam Unit 4 & 5 Materials

8/2/2019 Exam Unit 4 & 5 Materials

1/3

Technology: Units 4 & 5 Materials and Wood

Name:_____________________________________________________ Group:______________

1. Put the following raw materials in the correct column according to theirorigin: wool, wood, cork, sand, iron, silk, clay, gold, skin, marble, cotton,

alluminium

Animal origin Vegetable origin Mineral origin

2. Write one or two manufactured goods that we can make from thefollowing materials:a) Glass:______________________________________________________________b)Plastic:_____________________________________________________________c) Concrete:___________________________________________________________d)Planks:_____________________________________________________________

3. Which of the following materials are electrical conductors and which areinsulators? Write conductor or insulator besides the material.

a) Wood _______________ d) Copper _______________

b) Aluminium _______________ e) Glass _______________

c) Iron _______________ f) Plastic _______________

4. Complete the following summary of the manufacturing process, withthe words raw material, manufactured goods, materials andmechanical or chemical process:

______________ ______________ ____________________________

______________ ______________ ______________

______________

Samuel Landete Pgina 1 de 3


2/3

5. What materials would you use to soundproof a recording studio? Why?

6. Can a hard material be brittle? Explain your answer with an example.

7. Indicate if the following sentences are true or false, and if it is falseexplain why it is wrongor write it correctly.a) A material with high malleability is easy to be shaped into a wire.

b)A material with high ductility is easy to be shaped into a sheet .

c) Tough materials are used to cover chipboard because they resist verywell to scratching .

d)Softwood is a type of wood that is usually very soft and always comesfrom deciduous trees.

e) Hard materials resist very well to a sudden crash .

8. What materials would you make a saucepan with? Why are the handlesmade of plastic?

9. Write the name of the correct wood derivative according to the definition

Made of small chips of wood bonded together

Made of wood pulped fibres bonded underpressure

Made of thin sheets of wood



3/3

10. Identify the parts of thefollowing tree trunk:

11. Order the following steps inwood processing (just copy theletter in the correct order)a) Dry the wood 1. __ b) cut into pieces 2. __ c) remove the bark 3. __ d) plane the wood 4. __ e) prune the branches

5. __f) cut down the tree 6. __

12. Why are wood derivatives more ecological and cheaper?

13. List advantages and disadvantages of prefabricated wood products.

Advantages of prefab. Woodproducts

Disadvantages of prefab. woodproducts

14. Complete the following sentences:

a) Something that decomposes naturally is _____________________.b)A resource that does not run is ____________________.c) Material that can be reused for other things is ____________________.

15. What is the difference between a rasp and a file?


Documents

Exam Unit 4 & 5 Materials