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The Sun’s Energy. Climatic interactions exist among Earth, ocean and weather systems . The Sun provides the energy that drives convection within the atmosphere and oceans, producing winds and ocean currents. The energy on Earth comes from the Sun.

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Presentation Transcript

Climatic interactions exist among Earth, ocean and weather systems.

The Sun provides the energy that drives convection within the atmosphere and oceans, producing winds and ocean currents.


The energy on Earth comes from the Sun. systems

  • The Sun heats up Earth’s surface and all things on it

  • Matter that absorbs heat energy tends to rise

  • Matter that loses heat energy tends to fall

  • The constant churning of hot and cold is called convection


Draw what you remember about the Water Cycle. systems

Label: condensation, evaporation, precipitation, transpiration


Wind is mostly caused by differences in thermal energy absorption

  • Warmer air has less pressure than cooler air

  • The differences in pressure cause movement of air

  • High pressure pushes lower pressure

High pressure sinks because it is more dense.

Low pressure rises because it is less dense.


Ocean currents are similar to winds absorption

  • Currents are driven by wind at the surface

  • Deeper currents are influenced by temperature and salinity differences

  • Warm water is less dense that cold water

  • Water is more salt is more dense


A meteorologist studies weather patterns. absorption

  • Uses weather maps to predict weather patterns

  • Weather maps show different air masses, which are areas of air with similar pressure and temperature

  • The boundaries between air masses are called “fronts”

  • The location and movement of fronts are used to predict weather


Weather Fronts absorption

  • A front is the line of contact at ground level marking the boundary between 2 different air masses.


Warm Fronts


Cold Fronts


Occluded Fronts


Stationary Fronts


What is air pressure? which are not moving

  • Air pressure is a measure of the weight or density of the air in a given area

  • Measured with a barometer

  • High pressure = good weather

  • Low pressure = bad weather

  • High pressure sinks

  • Low pressure rises


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