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Waves

Waves. T ransfer of energy through vibrations. Types. Mechanical- requires a medium (water, air, metal, etc) to transfer energy. Electromagnetic- requires nothing to transfer energy (like a microwave or magnet). Vocabulary. Reflection- waves bouncing against objects

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Waves

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  1. Waves Transfer of energy through vibrations.

  2. Types • Mechanical- requires a medium (water, air, metal, etc) to transfer energy. • Electromagnetic- requires nothing to transfer energy (like a microwave or magnet).

  3. Vocabulary • Reflection- waves bouncing against objects • Refraction-waves traveling at different speeds • Constructive interference- when two waves collide and the crest is risen • Destructive interference- when two waves collide and crest is lowered

  4. Parts of a wave • crest-top of a wave • Trough-bottom of a wave • Wavelength – the distance of a wave from crest to crest • Amplitude- distance from top of a wave to bottom of a wave • Frequency- how often a wave passes a certain point in a given amount of time

  5. Wave types • Longitudinal • transverse

  6. Waves in Every day life • Sound is the most common wave we experience. sound waves bounce off of walls, get refracted around walls and travel through non solid objects. • Another common wave we see is water. When a pebble is thrown into a pool, waves are sent out in all directions. The waves then bounce back off of the walls of the pool.

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