Across
- 3. Lets light pass through it
- 5. Shaped by hammering or pressing
- 8. Doesn't let electricity pass
- 12. does let heat pass through
- 14. Suddenly breaks if hit or bent
Down
- 1. Water can pass through it
- 2. Lets electricity pass through
- 4. Is see-through
- 6. Cannot be bent or squashed
- 7. Does not let heat pass through
- 9. Doesn't let light pass through it
- 10. Can be bent or squashed
- 11. Does not let water pass
- 13. Is not flexible