Weather Variables

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This instrument measures... 這個儀器測量什麼? Options: air pressure 空氣壓力, temperature 溫度, wind direction 風向, humidity 濕度

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air pressure 空氣壓力

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Which pie graph correctly shows the percentage of elements by volume in Earth’s troposphere? 哪個圓餅圖正確地顯示地球的對流層中不同元素體積的百分比？

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1

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Which process primarily transfers heat by moving air? 哪個過程主要通過空氣流動來傳遞熱量？

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convection 對流

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What type of heat transfer is this? 這是什麼類型的傳熱？ Options: radiation 輻射, conduction 傳導, convection 對流, microwave 微波

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conduction 傳導

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Which set of weather variables likely describes a rainy day? 哪一组天气变量可能描述了一个下雨天？ Options: low pressure and high relative humidity 低压和高相对湿度, cloudy and low relative humidity 阴天和低相对湿度, high pressure and clear skies 高壓和晴朗的天空, low pressure and clear skies 低压和晴朗的天空

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low pressure and high relative humidity 低压和高相对湿度

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What weather condition would most likely produce precipitation? 什么样的天气条件最有可能产生降水？ Options: 100% relative humidity 相對濕度, cloudy skies 多云的天空, low dew point temperature 露点温度低, high air pressure and winds 高气压和风

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100% relative humidity 相對濕度

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Which graph best shows the general relationship between altitude and temperature in the troposphere? 那個圖最佳顯示了在對流層中高度和溫度之間 的一般關係？

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2

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What type of heat transfer is this? 這是什麼類型的傳熱？

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radiation 輻射

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How do we know when it will rain? 我們怎麼知道什麼時候下雨？
Options:
If temperature and dewpoint are the same, the relative humidity will be 100%, which means precipitation 如果溫度和露點相同，則相對濕度將為100％，這意味著沉澱
If temperature is the same as the air pressure, the relative humidity will be low, which means precipitation 如果溫度與氣壓相同，則相對濕度會很低，這意味著有降水
High pressure systems tell us that we can expect precipitation 高壓系統告訴我們可以預期會有降水
If there is 100% cloud cover (overcast skies), the relative humidity will be high, which means precipitation 如果有100％的雲層（多雲的天空），則相對濕度會很高，這意味著有降水

Back

If temperature and dewpoint are the same, the relative humidity will be 100%, which means precipitation 如果溫度和露點相同，則相對濕度將為100％，這意味著沉澱

Front

How does the sun's heat and light energy reach Earth's surface? 太阳的热能和光能如何到达地球表面？

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radiation 辐射