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What is weather??

Learn about the various atmospheric factors that influence weather, including heat energy, air pressure, winds, and moisture. Discover how these factors interact and affect our everyday lives. Explore concepts such as conduction, convection, radiation, the greenhouse effect, air pressure, winds, and the Coriolis effect. Use an anemometer and barometer to measure wind speed and air pressure.

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What is weather??

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  1. What is weather?? BY: MIRANDA JO ANDERSON

  2. Atmosphere • The atmospheric factors that interact to cause weather are heat energy air pressure, winds, and moisture.

  3. The sun’s energy that is absorbed by the Earth is spread throughout the atmosphere in three basic ways: conduction, convection, and radiation.

  4. Conduction • The direct transfer of heat energy from one substance to another.

  5. Convection • The transfer of heat energy in a fluid (gas or liquid). Air is a fluid.

  6. Radiation • Is the transfer of energy by waves such as light.

  7. Greenhouse effect • The gases act like the glass in a greenhouse to trap heat. The greenhouse makes the Earth a comfortable place to live.

  8. Air Pressure • The air pressure at any particular point on the Earth depends on the density of the air. (Density is equal to mass divided by volume).

  9. Barometer • Measures the air pressure on the Earth.

  10. Winds • Formed by movement of air from one place to another

  11. Both local winds and global winds are caused by differences in air pressure due to unequal heating of the atmosphere

  12. Coriolis effect • A Coriolis effect is the apparent shift in the path of any fluid or object moving above the surface of the Earth due to the rotation of the Earth.

  13. Anemometer • Used to measure wind speed

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