Theme 2 – The natural environment

Climate and natural vegetation

Tropical rainforest What is the temp & rainfall of Equatorial climate (2) High temp all year / low temp range High annual rainfall No seasons Explain why equatorial climates have low temp range. (3) Low temp range: small difference between highest & lowest...

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Weather

Define weather (1) Short term atmospheric conditions, including temp, rainfall & humidity Can vary from day to day / place to place Weather instruments Stevenson Screen Characteristics Contains: Max-min thermometer Wet & dry bulb thermometer Barometer Explain...

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Coasts

Features Wave length - distance between top of waves Wave period - no. of waves per min Beach profile - angle of slope of beach Processes of erosion Hydraulic action - force of waves trap & compress air in cracks in rock & wear away loose materials Abrasion -...

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River

Hydrological characteristics Drainage basin - area of land where water flows into river Watershed - line which divides one river basin from another Source - start of river Tributary - small river which flows into main river Confluence - where tributary joins main...

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Plate tectonics

Plate boundary - where plates meet Tectonic plate - section of earth's crust Earth structure Crust - thin, rocky Mantle - molten rock - upper: lithosphere, lower: asthenosphere Outer core - liquid nickel & iron Inner core - solid nickel & iron Crust - 7 large...

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