The sound for "no" is typically represented as /nəʊ/ in the International Phonetic Alphabet (IPA). It is a diphthong sound, combining the consonant /n/ with the vowel /əʊ/. It is a common way to depict the word "no" phonetically.
The sound of a water drop can be written as "drip" or "plip."
I just say bump, or crashed.
The onomatopoeia "smack" is often used to represent a smacking sound in writing. Alternatively, you can describe the sound using adjectives like "sharp," "loud," or "crisp" to convey the impact of the smacking sound.
Light: travels in straight lines, can be reflected, refracted, or absorbed, has a constant speed in a vacuum. Sound: travels in waves, requires a medium to propagate, can be reflected, refracted, or diffracted, its speed depends on the medium through which it travels.
One thing about being a writer - you're going to have to learn how to write what you imagine and feel down for yourself. We can't tell you exactly what to write, because then it's not your writing any more.What sounds do you think are spooky? What noises do they make? How do they sound to you? See if you can write down what the scariest noise you can imagine might sound like!
Write an experiment to find the velocity of sound?
You write sizzle.
You could write Bzzzz or Zzzz or any other buzzing sort of sound.
slurp
FWWPSSHHH
zzzzzz
grrrrrrrrr
9000
You could listen to the sound, and write out what it sounds like to you.
The sound of a sneeze can be written as "achoo," "achoo," or "atchoo."
baaah
dagadagadagadagadaga...