問題一覧
1
What are the 5 cycles
Carbon dioxide cycle Phosphorus cycle Sulfur cycle Water cycle Nitrogen cycle
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It is the most abundant
nitrogen cycle
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Where Nitrogen from air goes to soil and surface
fixation
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5 types of nitrogen cycle
fixation nitrification ammonification assimilation denitrification
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4 types of sulfur cycle
D- decomposition of organic compounds O- oxidation of hydrogen sulfide to sulfur O- oxidation of sulfur to sulfate R- reduction of sulfate to hydrogen sulfide
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4 types of phosphorus
weathering and erosion plant absorbtion animal absorption returned to ecosystem
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2 types of carbon dioxide cycle
photosynthesis respiration
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3 types of water cycle
evaporation condensation precipitation
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if u add nitrogen and oxygen it becoms nitrogen oxide
Atmospheric
10
Is used as fertilizers, underwent high temp & pressure
industrial
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Fixed in soil by microbes (bacteria & fungi)
biological
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Where ammonia -> nitrite-> nitrate
nitrification
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Formed by oxidation of NH3 with nitrosomonas bacteria
nitrites
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Plant roots absorb nitrogen to make proteins such as amino acids
assimilation
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Where plants n animals die, the nitrogen goes back to soil
ammonification
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When it goes back to the atmosphere
denitrification
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Released through volcanic activites
sulfur cycle
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It is because of decaying, n redox reaction (sulfate-> h sulfide)
decomposition of organic compounds
19
Its bc of the 2 baxteria (chlorobiaceae, chromatiaceae)
oxidation of hydrogen sulfide to sulfur
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Bc of chemolithotropic bacteria
oxidation of sulfur to sulfate
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Bc of desulfovibrio desulfuricans
reduction of sulfate to hydrogen sulfide
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It is converted to diff forms, also found in DNA
phosphorus cycle
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Its where (phosphate salt->rocks->soil) -also the slowest process
weathering and erosion
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Fertilizers plants absorb phosphorus in water
plant absorption
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They consume, eat plants with phosphorus
animal absorption
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Where plants or animals part decay or organism die
returned to ecosystem
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(Carbon dioxide to water to oxygen to glucose sugar)
photosynthesis
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Process where water moves through the hydrosphere
water cycle
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transfer of water from the surface of earth to atmosphere
evaporation
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Gaseous water vapor becomes liquid water
condensation
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Liquid water evaporates into water vapor, condenses to cloud and precipitatea back to earth in the form of rain/sleet/hail/snow
precipitation
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Allows the exchange of heat or energy and no exhange of matter in and out of the system
closed system
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4 subsystems
biosphere hydrosphere atmosphere geosphere
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Greek word of atmosphere
"atmo" means vapor or steam
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Makes up all of the gases on our planet
atmosphere
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provides the air that we breathe and protects us from harmful ultraviolet rays of the sun
atmosphere
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Produce weather n climate/ serves as a shield from meteors
atmosphere
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without this earth surface will have huge craters just like our moon
atmosphere
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what is atmosphere composed of
78nitrogen, 21 oxygen, 0.04 carbon dioxide, 0.09 argon
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99 percent of water vapor is deposited in this region and all weather conditions that we experience occur here
troposphere
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All the ozone in the atmosphere is found in this layer
stratosphere
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Where gases are dense enough to slow meteors. Most meteors burn up in this layer, leaving fiery trails commonly knows as "shooting stars"
mesosphere
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Harmful ultraviolet from sun is absorbed in this layer
thermosphere
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Knows as northern and southern lights, a natural phenomenon that occurs in the thermosphere
aurora
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upper limit of atmosphere/ its the man-made satellites that orbit earth, atoms n molecules eventually eacape into space
exosphere
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constant exchange of heat and moisture occurs betweem the atmosphere and hydrosphere
hydrologic cycle
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Greek word of hydrosphere
hydro means water
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Composed of all the water on surface of planet, underground and in atmo in the form of water vapor, liquid water, ice.
hydrosphere
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Frozen part of earths hydropshere, made up of ice, such as glaciers ice caps n icebergs
cryosphere
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water moves through hydrosphere/ this cycle involves process evaporation, condensation, precipitation.
hydrologic cycle/water cycle
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Large concentration of atoms, molecule reaction
ionosphere
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Important basins for carbon dioxide thru direct exchange within the atmo and indirectly thru weathering process of rock formation
oceans
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greek word of geosphere
geo means ground
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refers ro solid part of earth that includes soil, rocks, minerals present.
geosphere
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Components of geosphere
crust mantle outer core inner core
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thinnest layer of geozphere
crust
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Exist in ocean basins
oceanic crust
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brittle due to earthquakes that occur in this path
continental crust
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2 divided parts of crusr
continental crust oceanic crust
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Stretches from upper surface of earths rigid outerlayer/ subdivided into tectonic plates with boundaries, plates collide, diverge,grind past
lithosphere
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Thickest part of geosphere
mantle
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Made of viscous, ductile, semisolid materials, which powers the movement of tectonic plates
asthenosphere(upper mantle)
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In a solid phase/ also responsible for all earth volcanic and seismic activities
lower mantle
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Liquid phase mainly of nickel and iron in a molten state
outercore
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Solid phase composed mostlt of iron and densest part of geosphere
innercore
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greek word of biosphere
bio means life
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Entirely of life forms and an equally integral part of earths subsystems/ composed of all living things, including microbes, plants, animals
biosphere
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types of biosphere
biome ecosystem community population organism
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includes biotic factors such as animals, plants, microbes, as wells as abiotic factors such as gases and minerals [Based on interaction and transfer of energy between organisms n their environment]
ecosystem
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contains the regions of biosphere, including aquatic areas, desert, forest [ Categorized based on vegetation present]
biome
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Composed of multiple populations of species that inhabit a certain area or environment
community
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Includes all members of single species living in particular habitant/ used to determine health of ecosystem
population
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Any individual interdependent system that exhibits properties of life such as capacity to react to stimuli, reproduce, grow, adapt, maintain homeostasis.
organism
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Plants, capable of producing their own food to get energy
autotrophs
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Animals, consume other organism to get energy
heterotrophs
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Also called zone of life
biosphere
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warming of earths atmo occurs when solar radiation enters earth and reflected back to atmo as infrared radiation
greenhouse effect
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build up of heat-trapping gases known as? /trap infrared radiation preventing their release back to space
greenhouse gases
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Believed that rocks are formed from materials that sank to ocean floor or precipitated from chemical reaction
neptunism
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believed that heat from earths interior melted rocks or caused them to fuse together
plutonism
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Used to measure mineral's density and specific gravity
pycnometer
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Enables scientists to examine mineral and rock formation, age, chemical comp, physical comp
radioactive dating geologic modeling
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6 major rock forming minerals
amphibole mica feldspar olivine pyroxene quartz
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Hard, glasslike substance with white streaks
quartz
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Identified by its cleavage/ its luster gives rocks such as granite and slate their flashes of light
mica
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Usually white colored but also appear as light shades of red n green
feldspar
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dark colored minerals with glasslike luster
pyroxene and amphibole
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Not common, easily altered by weathering/ granular shaped crystal
olivine
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2 types of minerals (chemical composition)
silicate minerals nonsilicate minerals
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Have silicon n oxygen (as their base units) /make up of 90percent earths crust/ cool very fast n combine withmost abundant element in earths crust- silicon
silicate minerals
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Formed when there is cooling of magma, some are formed when water in them evaporates, or due to mineral decomposition
nonsilicate minerals
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6 elements of nonsilicate minerals
native elements oxides sulfides carbonates organic minerals sulfates
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Minerals that are composed of only 1 element in pure state
native elements
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This inorganic compounds is economically important to make batteries, medicines, electronic parts
sulfides
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used to make abrasive and aircraft parts/ mostly metallic elements which one or more elements r combines w oxygen
oxides
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combination of single carbonate ion reacts with metal ion of complementing polarity./ used to make cement, building stones, fireworks.
carbonates
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Used in cosmetics, toothpaste, paint
sulfates
98
Include biogenic substances, genesis or origin of which can be attributed to geological process
organic minerals
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naturally occuring inorganic substances that have a definite chemical and crystalline composition( specifically arranged atomic structure)
minerals