Percentages
Ocean zones/floors
Pollution
Water treatment
Potpourri
100
What percentage of the earths water is saltwater?
97%
100
What is the name for the place where fresh and saltwater mix
Estuary
100
A shower of organic material falling from upper waters to the deep ocean
Marine snow
100
What is this?
Septic tank
100
What is groundwater?
Water held underground in soil or in the pores of rocks
200
What Percentage of the earths water is freshwater?
3%
200
This community is located on the ocean floor and heated by the Earth
hydrothermal vent
200
Most water pollution is the result of what?
Humans
200
The measure of suspended particles in water that affect it's clarity?
turbidity
200
Oceans make up what percent of the hydrosphere?
90%
300
What percent of the earth is water
71%
300
This area includes the shoreline at both low and high tides
Intertidal Zone
300
The measure of the acidity of water?
pH
300
This is added to water to kill disease causing microorganisms.
Chlorine
300
What is transpiration?
Water given off by plant photosynthesis
400
Which ocean is the largest and deepest?
Polar Ice Caps/Glaciers
400
The flat region of the ocean floor covered by a layer of sediment
Abyssal Plain
400
Which is it- point or non- point source pollution? pollution that comes from one source, such as a chemical leak from a factory
point-source pollution
400
an organism or biological response that reveals the presence of pollutants
Bio indicators
400
Most of the earths freshwater is not usable, why?
Because its frozen in glaciers and ice caps
500
Where can most of Earth's fresh water be found?
Polar Ice Caps/Glaciers
500
The movement of cold water from the deep ocean that carries nutrients to the surface?
upwelling
500
Which is it- point or non- point source pollution? trash in a river
non-point source pollution
500
What levels of pH is acidic
anything less than 7
500
The attractive force between water molecules
Cohesion