Across
- 2. Type of floor that absorbs more sound
- 4. Earthquake waves that travel through the Earth
- 5. Type of floor that reflects sound more
- 12. Type of wave that needs matter to travel
- 13. When a wave bends around a corner or opening
- 14. State of matter where waves travel slowest
- 15. A type of mechanical wave that travels through air
- 18. Higher levels of this make waves move faster
- 20. State of matter where waves travel fastest
Down
- 1. When this increases, wave speed increases too
- 3. When a material soaks up a wave’s energy
- 6. What waves carry from place to place
- 7. Toy used to demonstrate waves moving through solids
- 8. Barrier that sound waves can pass through
- 9. Organ that interprets vibrations as sound
- 10. When a wave bounces back
- 11. Movement back and forth that starts a wave
- 16. Material that a wave moves through
- 17. When a wave passes through a material
- 19. Vibrates in the ear when sound waves hit it