Hard
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| How old is the earth? | 4.6 billion years old.
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| Pangea | It is a supercontinent, which includes all of the earth's masses. It exisited from 200
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| Meltwater | It is water resulting from the melting of glacier ice and snow.
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| Topography | Natural and features of a landscape.
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| What is the largest and most easternmost vegetation reigon? | Boreal and Taiga
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| What is the smallest and most southernmost vegetation reigon? | Decidious
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| What is the wettest and westernmost vegetation reigon? | West Coast
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| What is the coldest and northernmost vegetation reigon? | Tundra
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| Glaciation | It is the state of being covered by glaciers or massive ice sheets.
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| Glaciers | It is a slow moving mass of ice.
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| Convection Current | It is circular movement in a gas or liquid created by uneven heating in the mantle.
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| Ridge | It is formed when two plates move apart and the heat comes up.
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| Trench | It is formed when two plates collide and one subucts under another.
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| Subducting | It is when one plate slides under another.
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| Land Formations | It is a natural feature on the Earth's surface and there are three types of them.
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| Highlands | It is an area of high elevation containing mountains and plateaus.
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| Plateaus | It is the elevated flat area between highlands.
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| Lowlands | It is an area of low elevation containing plains and hills.
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| Canadian Shield | It is a large area of Precambrian rock that forms the core of Canada.
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| Erosion | It is the wearing away of the Earth's surface followed by the movement to other locations.
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| Weathering | It is the breakdown of rock into small particles.
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| Escarpment | It is a steep cliff formed by erosion or faulting.
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| Sediments | Eroded material, for example sand and gravel that is deposited by wind, water or ice. (WWI)
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| How are earthquakes and volcanoes formed? | They are caused by the movement of the Earth's plates.
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| Air Mass | It is a large body of air, having the same moisture and temperature conditions throughout.
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| Prevailing Winds | They are winds that are most commonly found in an area, for example, over most of Canada's wind is westerlies.
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| Polar Front | It is a stormy boundary between cold and dry polar air and warm moist tropical air.
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| Jet Stream | It is a west to east movement of air in the mid
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| North Pacific Current | It affects the west coast and changes the temperature.
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| Cold Labradour Current | It causes fog conditions and also causes icebergs to melt (Ice Berg Alley).
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| Jet Stream Current | It brings warmer currents over Canada.
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| Condensation | Water vapour is cooled, and changes from an invisible gas to liquid water. The vapour form of this forms clouds.
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Created by:
knobit
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