Wind and Pressure Systems
Wind is moving air that flows from high to low pressure, and global wind patterns result from uneven heating and Earth's rotation.
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Wind is moving air that flows from high to low pressure, and global wind patterns result from uneven heating and Earth's rotation.
- Pressure differences cause wind
- Sea breezes form by day
- Trade winds blow towards the Equator
🧠 Quick quiz
Three questions. Score 2 or more to complete the topic.
What is Wind and Pressure Systems?
Within Earth & Environmental Science, which covers our planet, its resources and ecosystems, and how people can protect the environment, this topic explains Wind and Pressure Systems. Earth and environment topics show how the planet’s systems shape landscapes, climate and life, with models that make these processes visible.
Check that you can explain Wind and Pressure Systems in your own words and give one example from everyday life. If you can do that, you have understood the core idea.
Understanding Wind and Pressure Systems helps you explain the environment around you and weigh up how people can protect it.
Wind and Pressure Systems in detail
Wind is moving air, from areas of high pressure to areas of low pressure, and the greater the pressure difference, the stronger the wind. Pressure differences arise because the Sun heats the Earth unevenly: air rises at the hot equator creating low pressure, and sinks at the poles creating high pressure.
Global circulation forms cells (Hadley, Ferrel, polar) with trade winds and westerlies, deflected by Earth's rotation (the Coriolis effect). Low-pressure systems (depressions) bring rain and wind, and high-pressure systems (anticyclones) bring calm, dry weather. Local winds include sea and land breezes. Jet streams are fast, narrow air currents high in the atmosphere.
How the interactive helps you understand Wind and Pressure Systems
Watch the Earth model in the interactive. Use any sliders or buttons it offers to change the values and see how the Earth model responds.
Before you change anything, predict the result. Then change one value at a time and check whether your prediction was right. This is a quick way to build a correct mental model of Wind and Pressure Systems.
Real-life uses and examples
- Discuss how human activity changes Wind and Pressure Systems, using a named example.
- Explain how Wind and Pressure Systems affects the landscape or climate near you.
- Link Wind and Pressure Systems to a real environmental problem and a possible solution.
Common mistakes to avoid
- Presenting one cause as the only cause of an environmental change.
- Describing a process without the timescale it works over.
- Learning the definition without testing it. Use the quiz and the interactive to check that you can apply the idea.
Frequently asked questions about Wind and Pressure Systems
What is Wind and Pressure Systems?
Wind is moving air that flows from high to low pressure, and global wind patterns result from uneven heating and Earth's rotation.
What are the most important points about Wind and Pressure Systems?
The main points are: Pressure differences cause wind; Sea breezes form by day; Trade winds blow towards the Equator.
Why is Wind and Pressure Systems useful?
Understanding Wind and Pressure Systems helps you explain the environment around you and weigh up how people can protect it.
How can I practise Wind and Pressure Systems?
Open the interactive at the top of this page and change the controls one at a time. Predict the result before each change, then take the three-question quiz. A score of two or more marks the topic as complete on this device.
Which topics are related to Wind and Pressure Systems?
Related topics in Earth & Environmental Science include Climate and Climate Zones, Causes of Global Warming, The Water Cycle.