Across
- 5. a hard,black substance burnt as fuel
- 6. a very strong material made from iron,used for making utensils,machinery
- 7. strong material that bends easily,produced from the juice of a tree
Down
- 1. metal used to make coins and jewellery
- 2. the hard material that trees are made of
- 3. clear liquid that falls from the sky as rain
- 4. a type of cloth which is light and smooth