essential question: why does sinking air cause areas of high pressure?
TRANSCRIPT
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Essential Question:
•Why does sinking air cause areas of high pressure?
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Answer
•Sinking air causes areas of high pressure because sinking air presses down on the air beneath it.
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Essential Question:
•What causes global wind?
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Objective
• To understand the relationship between air pressure and the Coriolis effect in the formation of global wind patterns.
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Key Concepts• About what percent of the
Earth’s atmosphere is O2?
• About what percent of the Earth’s atmosphere is nitrogen?
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Key Concept•How does the greenhouse effect help regulate the Earth’s temperature?
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Key Concepts• What early event caused the
Earth’s atmosphere to increase its amount of oxygen?
• How does air pressure change as altitude increases?
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Key Concept• What are the three methods that
thermal energy is transferred through the atmosphere?
• Which method of thermal energy transfer is occurring when you place a pan on a stove?
• Which method of thermal energy transfer is occurring when the technician uses an X-ray?
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• Which layer of the atmosphere do we live in?
• Which layer of the atmosphere contains the ozone layer
• Why does the stratosphere gain temperature as altitude increases?
• How are the layers of the formed?
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• How is the boundaries between atmospheric layers determined?
• Pressure exerts forces in what direction?
• What holds the atmosphere in place around the Earth.
• What is the Coriolis Effect and how does it affect global winds?
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• Why do global winds bend to the right in the Northern Hemisphere?
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Agenda• Key Concept Review• Go over Quiz• Hurricane tracking• Power Point: Local Winds
• Video Local and Global Winds
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Key terms:• Radiation: the transfer of energy
as electromagnetic waves• Thermal conduction: the
transfer of energy as heat through a material
• Convection: the transfer of thermal energy by the circulation or movement of a liquid or gas
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Key Terms
•Wind: the movement of air caused by differences in air pressure.
•Coriolis effect: the apparent curving of the path of an object from a straight path due to the Earth’s rotation.
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Essential Question:•What processes allow atmospheric gases to be constantly used and renewed?
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Key Term:•Radiation balance: the
balance between incoming energy and outgoing energy within the atmosphere.
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Content Objective:
•Differentiate between the layers of Earth’s atmosphere and identify the physical properties of each layer
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Essential Question:•Why does temperature decrease as altitude increases in the troposphere, while temperature increases as altitude increases in the stratosphere?
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Key TermsEasterlies: prevailing winds that blow from east to west between 60º and 90º latitude in both hemispheres.
Westerlies: prevailing winds that blow from west to east between 30º and 60º latitude in both hemispheres.
Trade winds: prevailing winds that blow from east to west from 30º latitude to the equator in both hemisphere