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carolineconwayscienc
caro science
Question | Answer |
---|---|
what is dilution? | adding a fresh amount of solvent to make the outcome less concentrated |
what is surface tension? | weak bonds that hold together and form a dome shape |
why will a paper clip float? | even though it has a higher density, the surface tension will hold and the bonds wont break if you put it on lightly |
what is a divide point? | a point that separates a watershed |
what water conditions would you find the greatest amount of dissolved oxygen in the water? | cold water flowing at a fast rate |
what type of organsim is capable of converting asmospheric nitrogen into a form we can us? | soy bean plants |
when nitrogen is fixed what form does it take? | ammonia |
excess particulates increase what water characteristic? | turbitity |
what is a negative consequence of excessive particulates in water supply? | fish gills get clogged and photosynthesis drops |
what is not a biolodgical indicator of a healthy water supply? | worms |
what is the hydrylic cycle? | the motion of water through the various layers of the earth |
what is a meniscus? | raised water level when water lies in a gradulated cylinder |
what is groundwater? | water that flows throught tiny pore spaces in rocks beneath the surface of the earth |
what is surface tension? | attraction of water to itself to create a skin on the surface of the water |
what is condensation? | gas-liquid |
what is runoff? | water flowing downhill on the surface of the ground |
what is eutrohpication? | an algae bloom caused by excess nutrients entering surface water |
what is a watershed? | an area drained by a certain body of water |
what is specific heat? | the amount of heat needed to raise the temperature of a certain amount of a substance by 1 degree |
what is infiltration? | water endering the ground as part of the water cycle |