Rocks & Minerals
Name the 3 types of rocks
igneous, sedimentary, metamorphic
Name 2 categories for energy sources
renewable and non-renewable
name the 4 components of soil
Air, water, mineral particles, organic matter
T/F?
Sedimentary rocks are formed from the weathering of existing rock and accumulation of dead organic matter
TRUE
Name the 3 fossil fuels
natural gas, coal, and oil
Where do the soil components come from?
The mineral particles come from the weathering and erosion of the parent rock.
The organic content comes from the presence of living plants and animals, as well as their remains.
Define the ROCK CYCLE
It's a representation of the changes between the three rock types and the processes causing them
T/F?
Nuclear power releases CO2
FALSE
Which components are affected by the size of the soil particles? How?
big size= more air
small size= more water
When is SURFACE mining used?
when the mineral is exposed on the surface
Name 3 factors that affect the demand for energy
industrial demand
domestic demand
transport demand
climate
economic factors
Name the 6 types of agriculture
arable, pastoral, subsistence, commercial, extensive and intensive
name 4 factors affecting the extraction of minerals
the costs of explotation
the geology
climate
accessibility
the environmental impact
supply and demand
Nhy do we still rely on oil?
it is relatively easy to store and transport
it is easier to extract from the ground than solid materials such as coal
it can be made into a number of different products
it usually produces less pollution when burnt compared with coal
Name 3 ways to increase agricultural yields which are sustainable.
controlling crop environment (greenhouse), irrigation, biological control of pests, crop rotation, organic fertilisers