True: Copy the statements about sound and decide if they are true of false, Sounds need particles to travel, The speed of sound in air is approximately 330m/s, Sound travels faster in more dense materials, Sound can reflect, Sound can refract, Sound can diffract, Sound diffracts easily in doorways because it's wavelength is equal to the door opening, Sound travels fastest in (most) solids, You can break a glass using sound,

P1 5 Sound True False

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