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What causes sound waves? Vibrations A medium Low pitch Amplitude?

Marissa made a wave using rope. The wave had alternate high points and low points. What are the high and low points called? Valley and hills Rarefactions and compressions Dips and peaks Crest and troughs What would you do to measure a wave’s frequency? The distance from crest to trough

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What causes sound waves? Vibrations A medium Low pitch Amplitude?

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  1. Marissa made a wave using rope. The wave had alternate high points and low points. What are the high and low points called? Valley and hills Rarefactions and compressions Dips and peaks Crest and troughs What would you do to measure a wave’s frequency? The distance from crest to trough Its height from the crest to its resting point How often a compression crosses a fixed point The distance between adjacent crests

  2. What causes sound waves? • Vibrations • A medium • Low pitch • Amplitude? What property does represent? • Wave height • Wave size • Amplitude • magnitude

  3. Which property of sound describes your perception of the energy of a sound? • Loudness • Intensity • Pitch • Wave speed A system of using reflected sound waves to detect and locate objects underwater is called • Sonar • Acoustics • Echolocation • Reverberation

  4. How do vibrations get from the eardrum to the cochlea? • Air is pushed into the eardrum • Vibrations hit the outer ear • The brain first receives a sound wave • They pass through the hammer, anvil and stirrups What does pitch describe? • How high or low a sound seems • How many waves pass a point in a given time • The length of a wave • The amplitude of a wave

  5. The ability of a medium to bounce back after being disturbed is called • Echolocation • Elasticity • Density • Interference In the ear canal, a fluid filled cavity that is shaped like a snail shell is • Ear canal • Eardrum • Cochlea • Larynx

  6. Slide one D/C Slide two A/C Slide three A/A Slide Four D/A Slide five B/C

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