Ch 7 Resources Flashcards
Mineral
A substance that makes up rock by using chemicals
Mineral Ore
A rock that contains minerals and value
Crust
A layer in the Earth
Mining
The process of removing dirt or minerals from the ground
Open cut mining
A method of mining mineral ore close to the surface
Underground Mining
A method of mining of mineral ore’s that are deep below the surface
Concentration
A process of making a substance stronger
Gangue
Leftover waste rock
Reduction
The process of making mineral ore metallic
Smelting
Melting mineral ore to separate the metal contained
Purification
The removal of impurities from metals to produce a pure metal
Turbines
Wheels that, when turned drive electrical generators
Wind energy
A renewable energy derived from the wind
Biomass
Material produced by living organisms
Ocean wave energy
A renewable energy created by converting the mechanical energy of ocean waves to electrical energy
Tidal energy
A renewable energy that can be harvested from the tides in the ocean
Geothermal Energy
Heat energy transferred from rock’s below the Earth’s surface
Hydro-electric
Power produced by the energy of falling water