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Air pressure is the weight of air molecules pressing down on the Earth. The pressure of the air molecules changes as you move upward from sea level into the atmosphere. The highest pressure is at sea level where the density of the air molecules is the greatest
Air pressure is the weight of the atmosphere pressing down on the earth.
You may have seen the weatherman talking about air pressure on TV during a weather forecast. It is an important thing to know, as it can actually determine the type of weather we get where we live.
Air Pressure is measured by a barometer. You can see a barometer on the left. Barometers may also use mercury in a glass column, like a thermometer, to measure the change in air pressure. When the weather is calm the mercury in the barometer stays fairly low against the measure. If a high pressure system is on its way, often you can expect cooler temperatures and clear skies. If a low pressure system is coming, then look for warmer weather, storms and rain. Air pressure also changes with altitude. When you move to a higher place, say a tall mountain in Scotland, air pressure actually decreases because there are fewer air molecules as you move higher up
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air pressure Related: Experiment:High Speed Winds are Accompanied by Reduced Air Pressure, Winds, Storms and Cyclones
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air pressure Related: Experiment:High Speed Winds are Accompanied by Reduced Air Pressure, Winds, Storms and Cyclones for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about air pressure Related: Experiment:High Speed Winds are Accompanied by Reduced Air Pressure, Winds, Storms and Cyclones covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for air pressure Related: Experiment:High Speed Winds are Accompanied by Reduced Air Pressure, Winds, Storms and Cyclones.
air pressure Related: Experiment:High Speed Winds are Accompanied by Reduced Air Pressure, Winds, Storms and Cyclones for Class 7 2024 is part of Class 7 preparation. The Question and answers have been prepared according to the Class 7 exam syllabus. Information about air pressure Related: Experiment:High Speed Winds are Accompanied by Reduced Air Pressure, Winds, Storms and Cyclones covers all topics & solutions for Class 7 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for air pressure Related: Experiment:High Speed Winds are Accompanied by Reduced Air Pressure, Winds, Storms and Cyclones.
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