Sounds Keywords Crossword Puzzle

1. A snail-shaped part of your inner ear that turns vibrations into signals (7).
3. We can use tiny ultrasound vibrations to “scrub” delicate things like jewellery (8).
5. High sounds that humans cannot hear, often used to see babies in utero – which is a fancy way to say while they are still in the uterus before they are born (9).
10. How bats use sound "echoes" to "see" in the dark so they can hunt and navigate (12).
12. The part of your body that catches sound waves (3).
14. The "message path" that carries sound signals from your ear to your brain (8, 5).
17. Sound travels through this somewhat quickly, like water in a swimming pool (7).
18. A word used to describe how easy or hard it is to hear a sound (8).
21. The distance from the top of one sound wave to the top of the next. The length of a single wave (10).
23. The science word for bounce back. Sound waves do this when they hit a wall and bounce back (7).

2. A machine that visualises (shows) sound waves as repeating, wiggly lines on a screen (12).
4. Hard, painful lumps in the body that doctors can break apart using sound (6, 6).
6. The maximum displacement of a particle in a sound wave. How "tall" a wave is when we draw it. It tells us how much energy is in a sound (9).
7. A tool that changes you the soundwaves produced by your voice into an electrical signal, used for recording and amplifying singers (10).
8. The unit we use to measure how loud a sound is (7).
9. How many times a sound vibrates every second (9).
11. The pattern that sound follows as it moves through the air (4).
13. How high (like a bird tweeting) or low (like a lion’s roar) a sound is (5).
15. Another word for loudness; you turn this up on a TV (6).
16. A device that turns electric signals back into sound you can hear (7).
19. Sound travels the fastest through this, like a wooden desk or a metal pole (6).
20. The unit of frequency (5)
22. Sound travels the slowest through these, like the air around us (6).