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CLIMATE AND VEGETATION

Chapter 3, Section 3

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THE EARTH’S ROTATION AND REVOLUTION

  • Rotation is the motion of the Earth as it spins on its axis ever 24 hours.

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  • The Earth is tilted at a 23.5° angle.

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  • The Earth’s revolution affects the weather and climate.

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THE EARTH’S ROTATION AND REVOLUTION

  • The term solstice is used to describe the time during the year the sun reached the farthest northern and southern point in the sky.

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  • The summer solstice is the longest day of the year.

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  • The winter solstice is the shortest day of the year.

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THE EARTH’S ROTATION AND REVOLUTION

  • These dates are reversed in the southern hemisphere.

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  • The beginning of spring and autumn start on the equinox.
    • On these two days, the sun is directly over the equator.

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THE EARTH’S ROTATION AND REVOLUTION

  • The Earth’s revolution brings the seasons.

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  • Weather is the condition of the Earth’s atmosphere at a given time and place.

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  • Climate is the typical weather conditions over a long period of time.

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WEATHER AND CLIMATE

  • Factors that cause weather.
    • Solar energy.
    • Wind
    • Landforms
    • Bodies of water
    • Water vapor
    • Cloud cover
    • Elevation.

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WEATHER AND CLIMATE

  • Climates are different around the world

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  • A place’s location and latitude help determine.

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  • Elevation impacts as well.
    • Temperature drops 3.5° for every 1000 foot increase.

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CLIMATE AND VEGETATION REGIONS

  • Geographers divide the Earth into three general zones.
    • Tropical
    • Middle
    • High

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CLIMATE AND VEGETATION REGIONS

  • Tropical latitudes are between the tropics.
    • Tropic of Cancer
    • Tropic of Capricorn.

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  • Middle latitudes extend from the Tropics to the lines of the Arctic and Antarctic.

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  • High latitudes are the areas of the North and South poles.

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CLIMATE AND VEGETATION REGIONS

  • Vegetation regions refers to areas that have similar plants.

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  • Types are
    • Forest
    • Savanna
    • Grasslands
    • Deserts

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HOMEWORK

  • Read P. 41-46

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  • Answer # 2-8

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