WebMay 29, 2014 · The harmonica is capable of producing both notes and chords. A note is the sound produced by inhaling or exhaling on any one hole of the harmonica. A chord is a combination of three or more notes … WebVibration of an object is what produces sound waves. The vibrating object moves in one direction and compresses the air directly in front of it. As the vibrating object moves in the opposite direction, the pressure on the air is lessened so that an expansion, or rarefaction, of air molecules occurs. One compression and one rarefaction make up ...
How are sounds made? - BBC Bitesize
WebJul 5, 2024 · I'm looking for a word that describes the sound made when a person rubs their tongue on the side of their inner teeth. It's like a wet noise and it's supposed to denote a positive gesture rather than negative ( tsking) When I do it, I notice my lips bend upwards. I wish I could remember a particular scene from a movie/tv show but I can't. Web30. find 10 materials that produce sound . 1. ENGAGE1. Dri: Direction: Describe how are the following materials produced sound Supply thecorrect words in the blanks to complete the sentences1. drum » this material produced sound by2. whistle - this material produced sound through3. piano this material produced sound through4, gutter this ... list of psychologists and their theories pdf
Sound - National 4 Physics Revision - BBC Bitesize
WebDec 27, 2024 · In this lesson, we learned that sound travels in waves called sound waves. These waves vibrate molecules in air, water, and solids. The vibrations of these molecules create sounds. WebThe sound produced by an instrument can be affected by many factors, including the material from which the instrument is made, its size and shape, and the way that it is … WebSound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny … list of psychological issues