Ripple
The word is "echo." From Merriam-Webster's online dictionary: echo noun \ˈe-(ˌ)kō\ plural ech·oes also echos Definition of ECHO 1 a : the repetition of a sound caused by reflection of sound waves b : the sound due to such reflection
transcluent
Malleable is a word that can be used to describe being reshaped by pressure.
Conduction
Pitch
Yes! "Achoo" is an onomatopoeia because it is used to describe the sound it resembles (in this case, "achoo" is the word used to describe the sound of someone sneezing).
harmonized (adjective)
Generally the word microscopic cannot be used to describe a sound. The word microscopic is often a dictation of visual size - i.e requiring a microscope to view, or invisible to the naked eye.
Cacophony is the proper spelling. It is the word used to describe a harsh discordance of sound.
Ker-plunk is a word used to describe a sound like splash.
Onomatopoetic. It means that the word used to describe something has a sound reminiscent of the thing itself. For example, the Chinese word for "cat" is "miao," which is the sound a cat makes.
No. The word echo means a reflected sound, or to create an echo.
Air-crafts make a sonic boom known as a "boom'sound or 'whip cracking' (cracking) sound.
The word is echo.
The word "reflected" can be a verb (past tense of "reflect") or an adjective, depending on how it is used in a sentence.
Improper is a word that is usually used to describe a word that has been incorrectly used.