Weather Review

What pattern, shown in the map, explains why many ocean currents begin near the Equator?

• Less evaporation here leads to saltier water.

• Earth is rotating fastest at the lower latitudes.

• Water farthest from the poles gets the hottest.

• Cold water sinks near the coasts of the continents.

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NGSS.MS-ESS2-6

A student heats salt water in a beaker on a hot plate to model how ocean currents are generated. What is the most important way in which this model fails to accurately show how ocean currents are generated?

• Oceans have fresh, not salt water.

• Oceans are heated from the top, not the bottom.

• Water in the ocean cannot move up and down.

• Ocean water is not contained within something solid.

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NGSS.MS-ESS2-6

An illustration of how a convection current creates a wind, called a sea breeze, is provided.

Which of the following best explains what creates this convection current?

(a)  

• Salt in the ocean makes it more dense than the land, so its gravity pulls more on the air above it.

• During the day, the Sun’s energy heats up the land
• The rotation of Earth makes the air above it rotate, but not the same over land and water.

• During the day, Earth’s gravity creates a high pressure area over both the land and water.

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which of the following changes would eliminate the energy source that generates the convection currents in the ocean and wind?

• Stopping the rotation of Earth.

• Blocking off all solar radiation.

• Removing all the salt from sea water.

• Eliminating producers from marine habitats.

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NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Based on the information provided in the weather map, which city shown will most likely experience a drop in pressure over the next few days?

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NGSS.MS-ESS2-5

Based on the information provided in the weather map, which city shown most recently saw a rise in temperature?

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NGSS.MS-ESS2-5

In general, one can expect clear skies with a high pressure area and cloudier conditions in areas of low pressure. Based on this information, and that provided in the weather map, which city shown most likely is currently experiencing clouds but will see clearer skies in the near future?

• Atlanta

• Cleveland

• Omaha

• Los Angeles

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which of the following factors contributes most to the formation of hurricanes in places such as Texas?

• Glaciers melting in the polar regions of the earth

• Solar radiation being absorbed by oceans on the Equator

• Toxic chemicals added to the atmosphere by industry

• The gravitational pull of the moon and the Sun

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NGSS.MS-ESS2-6

The weather map shows the weather conditions for one day across the United States.

Based on the weather map, which city most likely experience decreasing temperatures during the next 24 hours?

• Denver, because it is raining there

• Minneapolis, because a cold front is approaching

• Atlanta, because a warm front is approaching

• Houston, because it is in a high-pressure area

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Thunderstorms are more common in some areas than in others. The map shows the average number of thunderstorms per year in different parts of the United States.

Why are there significantly more thunderstorms in Florida than in California? The ocean current near Florida are ​​ (a)   than the currents near California.

​ ​ ​

• colder
• warmer
• the same

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6