a 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
b Rock changed in structure by heat, moisture, and pressure
c all of the surrounding things, conditions, and influences affecting the growth or development of living things
d a white, radioactive metallic chemical element that weighs more than any other element in nature
e 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
5 Multiple Choice Questions
the heaviest, thickest form of petroleum
any on of several substances made from various minerals, wood ashes, blast furnace dust, or the like, and used in making soap, fertilizers, and glass
produced by fire, great heat, or the action of a volcano; solidified from a molten state. Igneous rock is formed by the cooling and solidification of magma
a white substance found in the earth and in seawater; sodium chloride; table salt. Salt is used to season and preserve food and in many industrial processes
a metallic chemical element that looks like silver and is somewhat like iron. Nickel is hard and used as an alloy and in electroplating
5 True/False Question
volcano → a cone-shaped hill or mountain around this opening, built up of the material that is forced out
soil conservation → a substance obtained by mining or digging in the earth
minerals → a substance obtained by mining or digging in the earth
Tectonic Movement → all of the surrounding things, conditions, and influences affecting the growth or development of living things
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