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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
|What substance will not dissolve in water?
|What percentage of Earth's water is salt water?
|What type of factors determine the type of ecosystem an area has?
|The land that drains a particular set of streams and rivers
|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
|What water habitat is the most productive?
|What is the largest estuary in the United States?
|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 ______
|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?
|Noodles moving in a heated pot is an example of ____
|What percent of Earth's water is drinkable?
|What are four main properties of water?
|adhesion, cohesion, specific heat, solvent
|The property that holds molecules of a substance together is called ___
|The property that holds molecules of different substances together ___
|The energy needed to heat a substance by a particular amount is called ___
|A liquid that dissolves substances _____
|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?
|What can increase the amount of nutrients in water and cause algal blooms?
|What area does the Chesapeake Bay watershed cover?
|165,000 square kilometers
|Another word for turbidity is ____
|Water temperature, water depth, amount of light, oxygen content, pH, and turbidity affect the water in a _______
|Water molecules can stick to the molecules of other polar substances, which are said to be ___
|Where is most of the Earth's freshwater found?
|frozen in polar icecaps