Across
- 3. A type of wood- it started life as a tree that bore fruit commonly known as an acorn. [3]
- 5. A Ceramic material- one of the oldest materials used in ceramics. It can be used to make bricks. [4]
- 6. A natural protein fibre- it is made from the cocoons of ____worms. [4]
- 8. A plastic- used in yoghurt pots, foam hamburger boxes, egg cartons, plastic cutlery and as insulating material. [11]
- 10. An engineered type of wood- made from the residuals of hardwood or softwood. [3]
Down
- 1. A composite material- it is composed of water, aggregate and cement. It is used in building, and pavement. [8]
- 2. An amorphous- when silica (sand) is exposed to extreme temperatures, _____ is made. [5]
- 4. A metal- an extremely unreactive element, it is soft on the skin; this is why it's perfect for jewellery. [4]
- 6. An alloy- it's primary component is common, cheap and susceptible to rust. [5]
- 7. A type of wood- it consists of "plies" of wood veneer. [7]
- 8. A "smart" material- it can be moulded when heat is applied. (It's technical name is Polycaprolactone) [9]
- 9. A metal- a strong, ductile metal with a low density. It's name etymology stems from a subsection of Gods in Greek Mythology. [8]