1) A way of transferring energy or information without matter. a) Beam b) Bolt c) Electricity d) Wave 2) Particles vibrate parallel to the direction the wave is travelling. a) Longitudinal Wave b) Light Wave c) Transverse Wave d) Latitudinal Wave 3) Vibrations are perpendicular to the direction the wave is travelling. a) Heat Wave b) Transverse Wave c) Sound Wave d) Latitudinal Wave 4) The size or height of the vibrations. a) Peak b) Trough c) Magnitude d) Amplitude 5) The distance between two peaks on a wave. a) Wavelength b) Frequency c) Intensity d) Volume 6) The number of vibrations (or the number of waves) per second. a) Volume b) Pitch c) Frequency d) Tone 7) The unit for frequency. One wave per second. a) Joule b) Decibel c) Lumen d) Hertz 8) When a wave passes through a material and is not absorbed or reflected. a) Refracted b) Transmit c) Incidence d) Filtered 9) The change in direction of a wave when it hits a hard boundary. a) Absorbtion b) Reflection c) Refraction d) Deflection 10) The change in direction when waves go from one medium to another. a) Deflection b) Refraction c) Dispersion d) Contraction

KS3 Sound

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