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What is a convection cell?

• extremely dense and heavy masses of air

• a place on the beach where scientists watch weather

• an instrument scientists use to measure wind speeds

• a pattern of rising warm air and sinking cold air

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NGSS.MS-ESS2-6

Which best describes the Coriolis Effect?

• As cool air warms up, it rises, and as warm air cools down, it sinks, creating a breeze.

• As the Sun rises and sets, the path of the wind all over Earth changes directions.

• As it spins on its axis, the Earth pulls the wind and causes it to blow in a curved path.

• As the air pressure on the Earth’s poles changes, the wind at the Equator becomes stronger.

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NGSS.MS-ESS2-6

Which best describes why winds at the beach change direction between day and night?

• because the temperatures over land and over water change

• because warm air over land sinks and stays in place over land

• because cool air rises and is replaced by warm air from the ocean

• because cool air sinks and stays in place over land

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

On a cold, cloudy day, the local weather forecaster predicts that a high-pressure system will be moving into the area in the next 24 hours. Which weather conditions will this system most likely bring to the area?

• stormy

• sunny

• snowy

• Hot

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Which best describes a characteristic of the jet stream?

• It forms a boundary between a cold air mass and a warm air mass.

• It creates the high winds around the eye of a hurricane.

• It forces the hot air along the equator to rise to areas in North America.

• It causes high pressure air masses to rotate clockwise.

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NGSS.MS-ESS2-5

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The weather forecast indicates that a warm front will be moving into the area in the next 24 hours. Which type of weather will most likely result?

• clear skies and cold temperatures

• clear skies and hot temperatures

• cloudy skies and rainy weather

• heavy snow and ice

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NGSS.MS-ESS2-6

When a cold air mass crashes into a warm air mass, which kind of front is formed?

• cold front

• warm front

• hot front

• polar front

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NGSS.MS-ESS2-5

What role does air pressure play in weather conditions?

• Its force determines the strength of wind.

• It creates downdrafts that blow from the shore.

• It is the primary cause of Trade Winds.

• It determines how high or low the tide is.

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What gives wind its mass?

• barometric pressure

• air molecules

• air pressure

• the convection cell

Which three elements affect air pressure?

• wind, Earth’s distance from the Moon, and clouds

• amount of plants, wind, and level of water in the ocean

• height above sea level, temperature, and amount of water vapor

• temperature, wind, and how much plant or animal life is around