science-midterms2013
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| polar molecule | a molecule that has electricity charged areas
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| capillary action | the combined force of attraction among water molecules and with molecules surrounding the materiel
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| surface tension | tightness across the surface of water caused by the polar molecules pulling on each other
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| solution | a mixture that forms when one substance dissolves another
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| solvent | a substance that dissolves another
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| solute | a substance that is dissolved by a solvent
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| evaporation | process by which molecules at the surface of a liquid adsorb enough energy to change to the gaseous state
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| condensation | the process by which a gas changes into a liquid
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| photosynthesis | the process by which plants use water, along with carbon dioxide and energy from the sun, to make its own food
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| transpirtation | the process which plants give off water vapor through their leaves
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| habitat | the place where an organism lives and where it obtains all the things it needs to survive
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| groundwater | water that fills in underground rock and soil layers
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| precipertation | water that falls to earth as rain, snow, hail, or sleet
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| water cycle | the continuous process by which water moves from earth's surface to the atmosphere and back
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| tributaries | a stream or smaller river that feeds into a main river
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| watersheds | the land area that supplies water to a rover system
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| divides | a ridge of land that separates one watershed from another
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| oxbow lake | when a meander curves back on itself forming
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| mouth/delta | where a river flows into another body of water
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| headwaters | many small streams that come together at the source of a river
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| flood plain | broad, flat valley through which a river flows
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| meander | looping curves in a river
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| lake turnover | when the warm water mixes with the cool water in a lake
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| volcanic lake | a lake that forms when water fills a volcanic crater
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| glacier-made lake | a lake formed by the movement of glaciers
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| human-made lake | a lake made by humans used for irrigation, recreation, or drinking
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| nutrients | a substance (such as nitrogen and phosphorous) that enables plants and algae to grow
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| euthrophication | the process by which nutrients in a lake build up over time and increase the growth of algae
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| wetlands | a area that is covered by a sallow layer of water during some or all of the year
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| mangroves | salt water swamp
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| bayous | fresh water swamp
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| salt marsh | marsh with salt water
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| bogs | kind of wetland (fresh water)
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| filters | wetland plants that filter pollutants from the water
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| buffer | a place where animals live
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| marsh | fresh water wetland
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| permeable | a characteristic of materials, such as sand and gravel, that water easily passes through
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| impermeable | a characteristic of materials, such as clay and granite, through which water does easily pass
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| saturated zone | the area of permeable rock or soil in which the cracks and pores are totally filled with water
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| unsaturated zone | the layer of rocks and soil above the water tables in which the pores contain air as well as water
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| water table | the top of the saturated zone or depth to the ground water under Earth's surface
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| aqufier | an underground layer of sediment or rock that holds water
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| artesian well | a well in which water rises because of pressure within the aquifer
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| desalination | the process of obtaining fresh water from salt water by removing salt
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| conservation | the practice of using less of a resource so that it will not be used up
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| irrigation | the process of supplying water o areas of land to make them suitable for growing crops
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| water quaility | measurement of substances in the water besides water molecules
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| concentration | the amount of a substance in a certain volume of another substance
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| pH | measurement of how acidic or basic he water is
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| hardness | the combined level of calcium and magnesium in a sample of water
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| fliteration | the process of passing water through a series of screens
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| coagulation | alum is added to form sticky flocs which particles stick to
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| sewage | waste water and the different kinds of waste in it
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| water pollution | the addition of any substance that has a negative effect on water or the living things that depend on water
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| pesticides | chemicals intended to kill insects and other organisms that damage crops
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| pollutants | the substances that cause water pollutions
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| nonpoint source | a widely spread source of of pollution that is difficult to link to specific point of origin
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| point source | a specific source of pollution that can be identified
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| acid rain | rain or another another form of precipitation that is more acid than normal
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| cholrea | a disese caused by bacteria in human waste
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| DDT,nitrates & phosphates | kinds of pesticides and fertilizers
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| drought | a long period with little rainfall
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| flood | occur when the volume of river increases so much the river overflows its channel
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| flash flood | a sudden violent flood that occurs within hours
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| penstocks | water flow through the penstocks creating kinetic energy
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| turbines | water with kinetic energy turns the turbine blades creating mechanical energy
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| hydroelectric power | electricity produced by the kinetic energy of water over a waterfall or dam
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| kinetic energy | the form of energy that an object has when it is moving
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| potential energy | energy that is stored and waiting to be used
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
miamacdonald
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