1) how loud or quiet a sound is a) low pitch b) megaphone c) volume d) high pitch 2) is a cone-shaped tool you can talk into to make your voice sound much louder and reach farther away a) low pitch b) high pitch c) decrease volume d) megaphone 3) a sound that is deep and feels heavy or dark, the vibrations are slow a) high pitch b) low pitch c) megaphone d) volume 4) a sound that is squeaky and feels high or sharp, the vibrations are fast a) megaphone b) low pitch c) volume d) high pitch 5) making the sound's vibrations bigger and stronger, which makes the sound louder; like a siren. a) increase volume b) high pitch c) megaphone d) volume 6) making the sound's vibrations smaller and weaker, which makes the sound softer or quieter; like a whisper. a) low pitch b) megaphone c) increase volume d) decrease volume

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