# Types of Waves EQ: How do I define, identify and compare the three main types of waves?

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Types of Waves EQ: How do I define, identify and compare the three main types of waves?

Vocabulary Wave - A disturbance that transfers energy from one place to another Energy – the ability to do work Medium - A substance through which a wave moves Examples: gases (air) liquids (water) solids (rope, earth) EQ: How do I define, identify and compare the three main types of waves?

Vocabulary Mechanical waves - A wave, such as a sound wave or a seismic wave, that requires a medium through which to travel. Vibration – a repeated back and forth (or up and down) motion. It is the source of waves. EQ: How do I define, identify and compare the three main types of waves?

Waves Waves are classified according to how they move. The 3 types are: –Transverse Waves –Longitudinal Waves –Surface Waves EQ: How do I define, identify and compare the three main types of waves?

direction of disturbance direction of wave transfer of energy Transverse Wave - A type of wave in which the vibration or disturbance moves at right angles, or perpendicular, to the direction in which the wave travels. Crest – highest part of the wave Trough – lowest part of the wave EQ: How do I define, identify and compare the three main types of waves?

direction of disturbance direction of wave transfer of energy Longitudinal Waves - A type of wave in which the vibration or disturbance moves in the same direction that the wave travels compression rarefactions EQ: How do I define, identify and compare the three main types of waves?

Surface Waves – combinations of transverse and longitudinal waves, meaning the up and down and back and forth motions combine to make each particle of water move in a circle. They occur at the surface of two mediums, like water and air. EQ: How do I define, identify and compare the three main types of waves?

Class Work and Homework Read pages O 14 – O 17. Answer 5 Review questions on a separate piece of paper using complete sentences. EQ: How do I define, identify and compare the three main types of waves?

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