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Currents & Waves

6th grade Ch.14 Sec.1-4

TermDefinitionSentanceTeacher Comments
Ocean Currents A movement of ocean water that flows a regular pattern Moving water in the ocean.
Surface Current A horizontal movement of ocean water that is caused by wind and that occurs at or nears the oceans surface SURFACE currents are on the SURFACE and WIND is on the SURFACE.
Coriolis Effect The curving of the path of a moving object from an otherwise straight path due to the Earth's rotation. A guy named CORIOLIS discovered the Earth's rotation effected the direction of currents.
Deep Current A stream-like movement of ocean water far below the surface. DEEP currents are DEEP and deeper is colder
Upwelling The movement of deep, cold, and nutrient-rich water to the surface. UPwelling comes UP and you can only come up if you were originally down.
El Nino A periodic occurrence in the eastern Pacific Ocean in which the surface-water temperature becomes unusually warm. E is the 5th letter in the alphabet and El Nino lasts 5 years
La Nina A periodic occurrence in the eastern Pacific Ocean in which the surface-water temperature becomes unusually cool. Sounds like El-Nino but isn't so its the opposite.
Climate The average weather conditions in an area over a long period of time. Weather is shorter and climate is longer.
Wave A periodic disturbance in a solid, liquid, or gas as energy is transmitted. People surf on these(Waves).
Crest The highest part of a wave. Crest is like a crown and a crown is ON TOP of your head
Trough The Lowest part of a wave. Crest is at the top so trunk is at the bottom. Also, trough is below crest in the vocab packet. :)
Wavelength The distance from any point on a wave to an identical point on the next wave. Length is long and long is horizontal and horizontal is wave length
Wave Height The time required for identical points on consecutive waves to pass a given point. Height is how tall you are, wave height is how tall the wave is.
Wave Frequency The number of waves that pass a point in a given amount of time. Frequency is how many so the frequency of waves is how many waves pass a point.
Longshore current/drift Waves that come in diagonally and deposit sand as they are returning to the ocean. it comes on the shore the long way (diagonally) and leaves normally (strait down).
Tides The daily rise and fall of Earth's waters on shores. Like the waves.
High Tide When the water reaches its highest point. The tide is at its highest point.
Low Tide When the water reaches its lowest point. The tide is at its lowest point.
Spring Tide The greatest range between high and low tide. Spring has more letters than neap so spring tide has a greater difference.
Neap Tide A tide with the least difference between low and high tide. Neap has less letters than spring so it is the tide with the least difference.
Tidal Range The distance between high tide sea level and low tide sea level. Range is distance between and tidal is the tides so tidal range is the distance between the tides.
Breakers A heightened water wave that breaks into foam near the shore or against a rock or other object. Breakers are waves that BREAK.
Breaker Zone The area of water where breakers form. The zone where breakers are
Surf The area between the breaker zone and the shore. The area where where surfers surf
Undertow A subsurface current that is near shore and that pulls objects out to sea. It goes under the waves and tows things back to sea.
Whitecaps The bubbles in the crest of a breaking wave. Bubbles can be white so these are WHITEcaps.
Swells One of a group of long ocean waves that have steadily traveled a great distance from their point of generation. Waves that are very swell to ride on.
Tsunami A giant ocean wave that forms after a volcanic eruption, submarine earthquake, or landslide. A REALLY BIG WAVE.
Created by: Qayl2303
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