Across
- 4. Used as a protective layer on a surface
- 7. A special place where race cars ZOOM!
- 8. Pitch helps make these smooth for cars
- 9. A path through a hill
Down
- 1. Created from pitch to replace whale oil
- 2. Planes land here on strong runways
- 3. A road used to connect cities and towns
- 5. Used to prevent leaks
- 6. Pitch helps hold these together across rivers
- 8. It covers our houses