Physical Science Waves.

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Presentation transcript:

Physical Science Waves

Mechanical Waves (p.500) A mechanical wave is a disturbance in matter that carries energy from one place to another. Mechanical waves require matter to travel through. The material through which a wave travels is called a medium. A mechanical wave is created when a source of energy causes a vibration to travel through a medium. Three types: Transverse, Longitudinal, Surface

Transverse Waves (p.501) Trans-across, verse-a plane – moves at right angles to the medium

Longitudinal Waves (p.502) Compression – an area where particles in a medium are spaced closer together Rarefaction – an area where particles in a medium are spread out

Surface Waves (p.503) A surface wave is a wave that travels along a surface separating two media.

Homework Read pages 500-503 Questions 1-7.