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Earth's Water

Advanced World Geography

Pacific, Atlantic, Indian, Arctic, Southern The five oceans
Water becomes vapor Evaporation
Moisture released from trees and plants Transpiration
Water vapor becomes clouds Condensation
Clouds become heavy and release rain, sleet, snow, or hail Precipitation
The study of seas and oceans Oceanography
Scientists who study the physical, chemical and biological characteristics of the seas and oceans Oceanographers
Using sound to measure depth or to find objects in the water; so(und) na(vigation) and r(anging) Sonar
What is one reason oceanographers use sonar? They can map parts of the ocean floor that are too dark to see
Gently sloping edge of a continent covered by water; extends to the continental slope; mad of same rock as continent Continental shelf
A steep slope on the ocean floor b/w continental shelf and the continental rise Continental slope
a gentle slope on the ocean made of sediment; located b/w the steep continental slope and flat abyssal plain Continental rise
the region of the ocean floor b/w the coast and the sudden drop-off to the deep ocean floor; includes the continental shelf, rise and slope Continental margin
beyond continental margin, the somewhat flat area of the ocean floor containing abyssal plain, mid-ocean ridge, trenches, seamounts, underwater volcanoes Ocean basin
flat plains on the ocean floor Abyssal plains
underwater volcanic mountain chain Mid-ocean ridge
deep, narrow ocean valleys Trenches
begins as a seamount, then rises above ocean as melted rock accmulates Volcanic island
a valley in the mid-ocean ridge Rift valley
a mountain below the waves Seamount
a flat seamount Guyot
fountains of very hot water that spew from cracks or rifts in the ocean floor, heated by magma Thermal vents
temperature decreases, pressure increases, and light decreased as... Depth of the ocean increases
Sunlight zone Twilight zone Midnight zone Three zones of the ocean
Euphotic zone (contains 90% of all marine life) Sunlight zone
disphotic zone Twilight zone
aphotic zone, no light, high pressure, freezing temperatures Midnight zone
What is the most abundant form of life on eart Plankton
What are plankton so important to us? They supply 75% of the oxygen we breathe and plankton that have been compressed at the floor of the ocean for millions of years form oil
movement of water from the oceans to the air, to the ground, and finally back to the oceans Hydrologic Cycle
drives the hydrologic cycle Sun
area near the surface where groundwater and air collect in gaps in the soil Zone of aeration
zone where all gaps in the soil and rock fill with water Zone of saturation
area b/w the zone of aeration and the zone of saturation Water table
existence of impure, unclean or poisonous substances in the environment Pollution
polluted rain or snow caused by burning fossil fuel Acid rain
deepest spot in the ocean; located in the Mariana Trench Challenger Deep
How does air temperature relate to moisture? Warm, less dense air holds more water vapor; as air cools is drops the water
What forms as a result of condensation? Clouds
The total volume of water in the hydrologic cycle remains... Constant
What happens to half of the waste products produced in the US? And How does this lead to pollution of the water supply? Half of the waste is dumped into water bodies and becomes part of the hydrologic cycle
Agricultural runoff, carbon waste, nuclear waste, industrial waste Forms of pollution that affect the water cycle
Created by: hannahbonana



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