Across
- 2. Hard transparent material used for making windows. (5)
- 6. Hard, strong material such as silver or iron. (5)
- 8. With lots of hills. (5)
- 9. They're often used to cover a roof or on a floor. (5)
- 10. Small house made with tree trunks. (3,5)
- 12. Grey material made of cement, sand, water and small stones. (8)
- 14. In a style that has stayed the same for many years. (11)
- 15. Expensive apartment at the top of a tall building. (9)
- 17. Outside area that's attached to the higher floors of a building. (7)
Down
- 1. The front of a building. (6)
- 3. Manufactured rectangular block used for building. (5)
- 4. Window in a roof. (8)
- 5. Tropical plant that produces long sticks used for building. (6)
- 7. Not straight. Having a smooth, rounded shape. (6)
- 9. Tall, narrow building that's often square or circular. (5)
- 11. Material from trees used for building and making furniture. (4)
- 12. Material from the ground often used to make tiles. (4)
- 13. Plants grow in it. It's also the name of our planet. (5)
- 16. Hard material from the ground used to build walls. (5)