AP Chapter 1-2 Flashcards

4742909446	biotic	living	0
4742909774	abiotic	non-living	1
4742910294	sustainability	use resources w/o depleating	2
4742911883	biodiversity	variety of life forms	3
4742912627	speciation	evolution of new species	4
4742914097	Hectare	metric measure of area; 2.47 acres	5
4742914864	greenhouse gases	heat trapping gases	6
4742915581	anthropogenic	caused by human activities	7
4742918247	development	improvement in human well being, economic advancement	8
4742921583	sustainable development	human well being and resource management for future	9
4742924920	biophilia	love of life; need to connect with nature	10
4742926134	ecological footprint	how much a person consumes expressed in area of land	11
4742931615	sample size	number of times a measurement is replicated	12
4742940037	theory	large body of evidence not contradicted	13
4742942382	control group	group with same conditions of experimental group except independent variable	14
4742945435	dependent variable	variable that changes in response to independent variable	15
4742946356	independent variable	variable that the scientist changes	16
4742948348	environmental justice	equal enforcement of environmental laws and elimination of disparities	17
4742951665	environmental indicators	biological diversity, food production, global surface temp. and CO2 concentration, human population, resource depletion	18
4742963328	covalent bonds	sharing electrons	19
4742964622	ionic bonds	transferred electrons	20
4742965331	hydrogen bonds	hydrogen atoms bond together covalently	21
4742968975	polar molecule	one side more positive, one side more negative	22
4742970284	surface tension	cohesion of water molecules at the surface of a body of water	23
4742971683	capillary action	adhesion of water to a surface stronger than cohesion between molecules	24
4742974115	solvent	substance that dissolves another	25
4742975127	acid	contributes hydrogen ions to a solution 1-6 on pH scale	26
4742975469	base	contributes hydroxide ions to a solution 7-14 on pH scale	27
4742977514	law of conservation of matter	no atoms are created or destroyed in a chemical reaction	28
4742979285	inorganic compounds	do not contain carbon, or carbon bound to elements other than hydrogen	29
4742980118	organic compounds	carbon-carbon and carbon -hydrogen bonds base of biological molecules	30
4742982184	energy	ability to do work power x time	31
4742983332	joule	metic basic unit of energy	32
4742984472	power	rate at which work is done; energy /time	33
4742987016	potential energy	stored energy	34
4742987482	kinetic energy	energy of motionfi	35
4742988409	first law of thermodynamics	energy cannot be created or destroyed	36
4742990299	second law of thermodynamics	when energy is transformed, quantity stays the same but ability to work diminishes	37
4742992454	energy efficiency	ratio of the amount of work that is done to the total amount of energy that is introduced	38
4742993878	entrophy	all systems move toward randomness	39
4742994796	open system	exchanges of matter or energy occur across system	40
4742996242	closed system	exchanges of matter or energy across boundaries do not occure	41
4742998133	negative feedback loop	system responds to a change by returning to original state resists change	42
4742999025	positive feedback loop	amplifies changes	43