Earths Resources Flashcards
KA1
Contains the solid parts of the earth and includes all the layers of the earths interior
Geosphere
KA1
Contains all the water found on earth and includes all three states of water (ice, liquid water and water vapour)
Hydrosphere
KA1
Contains all the gases that surround earth
Atmosphere
KA1
contains all the living things on earth, including organic matter that has not yet decomposed
Biosphere
KA1
resources that do not come directly from living things
Physical resources
KA1
resources that come directly from living things
Biological resources
KA1
resources that cannot be replaced will eventually run out
Non renewable resources
KA1
resources that can be replaced and will never run out
Renewable resources
KA2
a solid substance made up of one or more minerals
Rock
KA2
an element or compound formed during the rock cycle
Mineral
KA2
rock that forms due to the cooling of magma
Igneous
KA2
rock that forms when layers of sediment are compressed together due to pressure
Sedimentary
KA2
rock that forms due to intense heat and pressure
Metamorphic
KA2
a measure of a rocks ability to absorb water into its pore spaces
Porosity
KA2
a measure of how easily a liquid can pass through a rock
Permeability
KA2
the process of rocks being broken down by chemicals reacting with their minerals
Chemical weathering
KA2
the process of rocks being broken down due to living organisms
Biological weathering
KA2
the process of rocks being broken down due to temperature changes, wind or water
Physical weathering
KA2
the process of rocks wearing away over time
Erosion
KA2
the movement of rocks from one area to another
Transportation
KA2
The process of sediment being laid down in a new location
Deposition
KA2
The process of sediment grains being cemented together
Cementation
KA2
the process of layers of rock/sediment being pressed together
Compaction
KA2
sedimentary rock made up of calcium carbonate
Limestone
KA2
the process by which limestone is extracted from the earths crust
Quarrying
KA2
a naturally occurring solid material which metal or other valuable minerals can be extracted
Ore
KA2
the process by which ores are extracted from the earths crust
Mining
KA2
industrial process used to extract iron from ore
Blast furnace
KA2
source of carbon used during the extraction of iron
Coke
KA2
molten impurities formed during the extraction of iron
Slag
KA2
iron from the blast furnace is transformed into the important material
Steel
KA2
coal, oil and natural gas are examples of
Fossil fuels
KA2
the process used to extract coal from the earths crust
Mining
KA2
the process used to extract crude oil and natural gas from the earths crust
Drilling
KA2
the name given to the burning of fossil fuels
Combustion
KA2
the gas produced during the burning of fossil fuels
Carbon dioxide
KA2
industrial process used to extract useful products from crude oil
Fractional distilation
KA2
the property that allows crude oil to be seperated into fractions
Boling point
KA2
fraction of crude oil that is used as a fuel for bbq’s and camping stoves
Fuel gas
KA2
Fraction of crude oil that is used as fuel for cars
Petrol
KA2
Fraction of crude oil that is used to produce plastics
Naptha
KA2
fraction of crude oil that is used as a fuel for aeroplanes
Kerosene
KA2
Fraction of crude oil that is used as a fuel for vans, trains and buses
Diesel
KA2
fraction of crude oil that is used as to lubricate machinery
Fuel oils
KA2
fraction of crude oil that is used for tarring roads
Bitumen
KA3
the process of carbon dioxide being converted into a food source in plants
Photosynthesis
KA3
the provess of carbon dioxide in plants, animals and decomposers being converted into carbon dioxide
Respiration
KA3
The process of carbon stores moving along the food chain
Feeding
KA3
the process of dead remains and waste products being broken down
Decomposition
KA3
name given to organisms responsible for breaking down dead remains
Decomposers
KA3
the process of dead remains being converted into fossil fuels
Fossilisation
KA3
The conditions required for fossil fuels to form from dead remains
Anaerobic
KA3
the process of fossil fuels burning to release carbon dioxide into the atmosphere
Combustion
KA3
this process allows magma to release carbon dioxide into the atmosphere
Volcanic eruptions
KA3
the process of acid rainwater breaking down rocks
Chemical weathering
KA3
when carbon and calcium in the oceans combine to form rocks
Limestone formation
KA3
name given to a long-term carbon store
Carbon sink
KA4
water that occupies pore spaces in soil and rocks
Groundwater
KA4
Process of liquid water into water vapour
Evaporation
KA4
process of water vapour turning into liquid water
Condensation
KA4
process of water falling from the aur as rain, snow or sleet
Precipitation
KA4
the evaporation of water from plants
Transpiration
KA4
the movement of water across the surface of the ground
Run-off
KA4
The movement of water through soil
Infiltration
KA4
the horizontal movement of water through soil
Throughflow
KA4
the movement of water through soil due to gravity
Percolation
KA4
the horizontal movement of groundwater
Groundwater flow
KA4
use of water in agriculture
Irrigating crops
KA4
domestic use of water
Showering
KA4
use of water in industry
Diluting chemicals
KA4
when demand for water is greater than the supply of water received
Water deficit
KA4
when demand for water is lower than the supply of water received
Water surplus
KA4
consequence of water surplus
Flooding
KA4
consequence of water deficit
Drought
KA4
agency that helps to maintain our waste quality and protects against floods
SEPA
KA5
use of nitrogen gas
Food preservation
KA5
use of oxygen gas
Aerobic respiration
KA5
gases found in the earths atmosphere that trap the suns energy
Greenhouse gases
KA5
gas that is produced by the evaporation of seas, oceans, rivers, etc
Water vapour
KA5
gas that is produced by plant and animal respiration
Carbon dioxide
KA5
gas that is produced by volcanic eruptions and hot springs
Sulfur dioxide
KA5
gas produced by the microbes in the soil and ocean
Nitrous oxide
KA5
gas produced by ocean vents and permafrost
Methane
KA5
machine used to generate electricity from wind
Wind turbine
KA5
energy change that takes place when producing energy from wind
Kinetic energy - electrical energy
KA5
requirement for placing a wind farm that ensures electricity is easily transported
Close to national grid
KA5
requirement for placing a wind farm that ensures strong and steady wind flow
Exposed site
KA5
requirement for placing a wind farm that ensures turbines can be easily constructed
Close to main roads
KA5
advantage of wind power
No pollution
KA5
disadvantage of wind power
Eyesore and noisy
KA5
process where radiation from reflected from the earths surface is absorbed by gases in the atmosphere and prevented from escaping, helping to keep the earth warmer than it would be otherwise
Natural greenhouse effect
KA6
resources that are obtained from the earth
Terrestrial resources
KA6
resources that can be used to ibtain milk, meat, wool, eggs, etc
Livestock
KA6
resources that can be used as a source of wood
Timber
KA6
resource that is used as a food source
Crops
KA6
resource that is used as a source of metal
Ores
KA6
resources that are obtained from water sources
Oceanic resources
KA6
resource that is used in skin care, as a food source, and as a biofuel
Seaweed
KA6
resource that is used for gritting roads, as a food preservation and as a seasoning
Salt
KA6
the process used to extract salt from seawater
Desalination
KA6
resource that is used as a food source
Fish
KA6
the mass of living or recentoy living plants and animals
Biomass
KA6
combustible biomass or fuels that have been derived from biomass
Biofuels
KA6
name given to any flamable gas of biological origin
Biogas
KA6
process that can be used to form some biofuels
Fermentation