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Earth quakes & Seism
| Term | Definition |
|---|---|
| disturbance that transmits energy | Waves |
| wave particles vibrate perpendicular to wave direction | transverse wave |
| wave particles vibrate parallel to wave direction | longitudinal wave |
| material a wave moves through | medium |
| upward displacement of a wave | crest |
| downward displacement of a wave | trough |
| height of a wave | amplitude |
| distance between consecutive waves | wave length |
| primary body wave ( earthquake ); fastest; least damaging; longitudinal wave | p waves |