SOUND QUALITY OF INSTRUMENTS The difference in sound quality of instruments comes from structural differences in the instruments (what the instrument is made of and how the instrument is made). 3 MAIN FAMILIES O
Wavelength: the distance between two compressions or two rarefactions of the same wave Frequency: number of compressions that pass a place each second Amplitude: depends of the energy content of the wave Comparing Media: Solid, Liquid, Gases The speed of sound depends on The medium it passes t...
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Unit 5 Love Mother Nature! 第2课时 课件(共23张PPT,内嵌音频)Unit5LoveMotherNature!PreparingfortheTopic:Function&Pronunciation (Factsaboutdeserts,Phoneticsymbols&Liaison)Languagegoal 1.根据字母组合和字母ar,or,ir,er,th,ts,ds,w/wh,y的读音规则拼读单词，做到熟练识读、听词能写；2.了解并掌握连读的...
⑤ You can hear the sound of the waterfall a few metres away. ⑥ The Great Wall has become a symbol of China and its culture. 11 单元知识梳理 ⑦ The Grand Canyon is so vast and deep that it feels like a different world inside. ⑧ The Northern Lights dance across the night sky, ...
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Waves & Sound A. Waves 1. The nature of waves a. A wave is a rhythmic disturbance that transfers energy. b. All waves are made by something that vibrates. 2. Mechanical waves need a matter medium to travel through. (sound, water, seismic) 3. Two basic types of waves: a. Transverse...
of a wave depends on the The speed of a wave depends on the properties of the medium it is traveling properties of the medium it is traveling through through In general sound waves travel the fastest In general sound waves travel the fastest through solids then liquids then gases through ...
Summerisaseasonwiththemostheavycolor.Thetruesenseofcolorliesinassumingandlowing,ittellpeoplethecoloroflife Thecolorinfall Thecolorinwinter Thecolorisapartofnatureandapartoflife.underbigtrees,youwillheartheleavesflutteringinthewindlikebutterflies,"flutter"isjustakindofsound,butshakestheheartoftheearth,dustysoil...
1.disturb v.干扰,扰乱;打扰;使不安(upset,bother)→disturbing adj.令人不 安的(upsetting)→disturbed adj.烦恼的,心烦意乱的→disturbance n.打扰;骚乱 以练促学 单句语法填空/完成句子 ①I was __d_i_s_tu__rb__ed___ (disturb) by the annoying sound of the rain. ②___I_t_d_i_s_tu_r...