Sound waves are compression waves; regions of higher density alternating with regions of lower density.
If you plot density vs. position (or vs time at a particular position, either way works) you do get out the familiar wave form with crests and troughs.
it is loud
Transverse waves have crests and troughs. Longitudinal waves have compressions and rarefactions.
A trough wave is the lowest part between two crest waves.
When two waves interfere, the displacement where two troughs meet is negative.
Sound moves by vibration. It is conducted by the vibration of matter. That vibration oscillates up and down in crests and troughs (hi's and low's). The distance or "wave length" between one crest and the next is a sound wave.
Negative
Transverse waves have crests and troughs. Longitudinal waves have compressions and rarefactions.
A trough wave is the lowest part between two crest waves.
A trough wave is the lowest part between two crest waves.
When two waves interfere, the displacement where two troughs meet is negative.
Sound moves by vibration. It is conducted by the vibration of matter. That vibration oscillates up and down in crests and troughs (hi's and low's). The distance or "wave length" between one crest and the next is a sound wave.
Negative
Sound waves are like ocean waves because it resembles an ocean wave with crests (peak) and troughs (valleys). The crests indicate regions of high pressure and the troughs, low pressure.
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Waves have a repeating series of crests and troughs. The crests are where a wave's amplitude is at its maximum. Between every two successive crests is a trough, where the wave's amplitude is at its minimum. The distance between two successive crests (or troughs) is the wavelength. The measure of how frequently new crests are formed is the frequency. The speed of a wave is the product of its wavelength and its frequency.
They can be. In air and other fluids sound is transmitted by variations in pressure. When those variations impinge on the eardrums (in our ears) they make them vibrate. If we were able to monitor the horizontal position of a point on one eardrum through time (assuming that the person in possession of the eardrum was standing) then we would see a complicated wave form with crests and troughs.
ocean waves have to do with water and sound waves have to do with sound
If you have one single sound, it will make a certain type of frequency. Now if the apex of the crest is the exact opposite of the apex of the trough. That single sound will cancel each other out. If you have one single sound, the apex of the crest is exactly the same as the apex of the second sound (at the same frequency) the overall sound will increase.