Geography, Unit Two
Terms
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- salt
- a white substance found in the earth and in seawater; sodium chloride;
- uranium
- a white, radioactive metallic chemical element that weighs more than any other element in nature.
- bitumen
- the heaviest, thickest form of petroleum
- soil conservation
- preventing soil erosion from water and wind.
- metamorphic rock
- Rock changed in structure by heat, moisture, and pressure
- nickel
- a metallic chemical element that looks like silver and is somewhat like iron. It is hard and used as an alloy and in electroplating.
- environment
- all of the surrounding things, conditions, and influences affecting the growth or development of living things.
- volcano
- a cone-shaped hill or mountain around this opening, built up of the material that is forced out
- earthquake
- a shaking or sliding of the ground. It is caused by the sudden movement of masses of rock along a fault or by changes in the size and shape of masses of rock far beneath the earth's surface
- iron ore
- rock is sufficiently rich in iron minerals to be mined economically.
- Tectonic Movement
- belonging to the structure of the earth's crust and to general changes in it, such as folding or faulting
- sedimentary rock
- rocks fromed from sediment derived not only from rock fragments but also from plant and animal remains
- Canadian Shield
- a huge, rocky region that curves around Hudson Bay like a giant horseshoe. The Shield covers half the land area of Canada.
- minerals
- a substance obtained by mining or digging in the earth
- metallurgy
- the science or art of metals. It includes the study of their properties and structure, the separation and refining of metals from their ores, the production of alloys, and the shaping and treatment of metals by heat and rolling.
- potash
- ny on of several substances made from various minerals, wood ashes, blast furnace dust, or the like, and used in making soap, fertilizers, and glass.
- igneous rock
- produced by fire, great heat, or the action of a volcano; solidified from a molten state. It is formed by the cooling and solidification of magma.
- coal
- a solid, hard black substance that burns and gives off heat.
- petroleum
- an oily, dark-colored, flammable liquid found in the earth, consisting mainly of a mixture of various hydrocarbons.
- Leduc
- On 13 Feb 1947, the Leduc No 1 well, in Alberta, successfully tapped the huge Leduc oil field. By the end of 1947, some 30 wells in the field were producing 3500 barrels of oil a day.
- petrochemical
- a chemical made or derived from petroleum or natural gas