Read the definitions carefully and select the correct words.
1. a clock that makes a noise at a particular time to wake you up
2. a machine or tool that does a special job
3. using a system in which information is recorded or sent out electronically in the form of numbers, usually ones and zeros
4. smooth and level, without raised or hollow areas, and not sloping or curving
5. cloth used for making clothes, curtains etc
6. a hard, usually shiny substance such as iron, gold, or steel
7. a light strong material that is produced by a chemical process, and which can be made into different shapes when it is soft
8. the purpose of something is what it is intended to achieve
9. the form that something has, for example round, square, triangular etc
10. different from what is usual or normal
11. the material that trees are made of