Grade 5 Air Pressure and Wind

What are convection cells and how do they contribute to the Earth's climate?

• Convection cells are responsible for creating earthquakes and tsunamis.

• Convection cells have no impact on the Earth's climate.

• Convection cells redistribute heat and affect wind patterns and precipitation.

• Convection cells are only found in the Earth's core and do not affect the climate.

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NGSS.MS-ESS2-6

Explain how convection cells are related to the movement of air in the atmosphere.

• Convection cells create a cycle of warm air rising, cooling, and then sinking, which causes the movement of air in the atmosphere.

• Convection cells are caused by the rotation of the Earth

• Convection cells have no impact on the movement of air in the atmosphere

• Convection cells are related to the movement of water in the atmosphere

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NGSS.MS-ESS2-6

How does the Coriolis Effect influence the direction of winds in the Northern Hemisphere?

• To the left

• To the right

• No influence

• Upward

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NGSS.MS-ESS2-6

Describe the impact of the Coriolis Effect on the movement of ocean currents.

• The Coriolis Effect only affects the temperature of ocean currents

• The Coriolis Effect causes ocean currents to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.

• The Coriolis Effect has no impact on ocean currents

• The Coriolis Effect causes ocean currents to move in a straight line

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NGSS.MS-ESS2-6

What are isobars and how are they used to represent weather patterns on a map?

• Isobars are lines on a weather map that connect areas of equal temperature. They are used to represent weather patterns by showing areas of hot and cold temperatures.

• Isobars are lines on a weather map that connect areas of equal atmospheric pressure. They are used to represent weather patterns by showing areas of high and low pressure.

• Isobars are lines on a weather map that connect areas of equal wind speed. They are used to represent weather patterns by showing areas of strong and weak winds.

• Isobars are lines on a weather map that connect areas of equal humidity. They are used to represent weather patterns by showing areas of high and low humidity.

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NGSS.MS-ESS2-5

Explain the relationship between isobars and wind speed.

• Isobars have no relationship with wind speed.

• The closer the isobars are together, the stronger the pressure gradient and the higher the wind speed.

• The closer the isobars are together, the weaker the pressure gradient and the lower the wind speed.

• The farther the isobars are apart, the stronger the pressure gradient and the higher the wind speed.

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NGSS.MS-ESS2-6

What are the characteristics of a high pressure system and how does it affect the weather?

• Foggy skies, no wind, stagnant air, humid and hot weather

• Cloudy skies, windy weather, unstable air, wet and stormy weather

• Partly cloudy skies, moderate wind, fluctuating air, mild and rainy weather

• Clear skies, calm weather, stable air, dry and fair weather

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NGSS.MS-ESS2-6

Describe the formation and impact of a low pressure system on local weather conditions.

• Low pressure systems form when there is no change in air pressure. This has no impact on local weather conditions.

• Low pressure systems form when warm air sinks and warms, creating a region of higher pressure. This can lead to dry, calm weather.

• Low pressure systems form when warm air rises and cools, creating a region of lower pressure. This can lead to cloudy, rainy, and windy weather.

• Low pressure systems form when cold air rises and cools, creating a region of higher pressure. This can lead to clear, sunny weather.

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NGSS.MS-ESS2-5

How does a high pressure system contribute to clear skies and dry weather?

• High pressure system has no impact on the weather

• Sinking air inhibits the formation of clouds and precipitation.

• High pressure system causes heavy rainfall and stormy weather

• High pressure system leads to the formation of thick clouds and fog

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NGSS.MS-ESS2-5

Explain how a low pressure system can lead to the formation of clouds and precipitation.

• Low pressure system leads to the formation of clouds, but the clouds do not produce precipitation.

• Low pressure system causes the air to become hot and humid, leading to the formation of clouds and precipitation.

• Low pressure system causes the air to become dry and clear, preventing the formation of clouds and precipitation.

• Warm air rises, cools, and condenses to form clouds, and then the condensed water droplets fall as precipitation.

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6