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CAES Unit 6 Notes

Water on Earth Notes

How many hydrogen and oxygen atoms make up water? 2 hydrogen and 1 oxygen
Water is able to dissolve many substances and is commonly known as universal solvent
What substance will not dissolve in water? oil
What percentage of Earth's water is salt water? 97%
What type of factors determine the type of ecosystem an area has? abiotic factors
The land that drains a particular set of streams and rivers watershed
What are the major rivers that flow into the Chesapeake Bay watershed in Virginia? Potomac River, Rappahannock River, York River, James River
High ground between two watersheds divide
What water habitat is the most productive? estuary
What is the largest estuary in the United States? Chesapeake Bay
Why is it important to keep pollution out of the streams and rivers? pollution found in the local stream or river eventually flows into the ocean
A measurement of pH reads _____ acidity or basicity of a substance
What factors are used to monitor water quality? temperature, pH, and salinity
A measurement of dissolved oxygen reads ____ relative measure of the amount of oxygen that is dissolved in a given medium
A measurement of the total amount of suspended solids is ______ turbidity
A measurement of salinity reads _____ property of containing salt
A measurement of temperature reads _____ degree or intensity of heat present in a substance or object
Name 3 examples of a wetland bog, marsh, swamp
Where is water most likely to be contaminated? near a cattle farm
What is causing the Chesapeake Bay to become cloudy? increased amount of sediment
What is the only substance on Earth that commonly consists in all three states of matter? water
Noodles moving in a heated pot is an example of ____ convection
What percent of Earth's water is drinkable? 3%
What are four main properties of water? adhesion, cohesion, specific heat, solvent
The property that holds molecules of a substance together is called ___ cohesion
The property that holds molecules of different substances together ___ adhesion
The energy needed to heat a substance by a particular amount is called ___ specific heat
A liquid that dissolves substances _____ solvent
What causes sediment to be introduced into watersheds? erosion caused by land development
What does sediment increase in streams, rivers, and the bodies of water into which they flow? turbidity
What can increase the amount of nutrients in water and cause algal blooms? sediment
What area does the Chesapeake Bay watershed cover? 165,000 square kilometers
Another word for turbidity is ____ cloudiness
Water temperature, water depth, amount of light, oxygen content, pH, and turbidity affect the water in a _______ watershed
Water molecules can stick to the molecules of other polar substances, which are said to be ___ wettable
Where is most of the Earth's freshwater found? frozen in polar icecaps
Created by: caes6science