Weather

What is it called when hotter, less dense air above the Earth’s surface rises and then cools and becomes more dense and sinks in a circular process?

• Special Currents

• Subatomic Currents

• Ocean Currents

• Convection Currents

Which city most likely recently experience a drop in temperature?

• New York City

• Miami

• Little Rock

• Chicago

Earth's land areas, oceans, and atmosphere maintain fairly constant average temperatures. What is the best explanation for these constant average temperatures?

• Earth's Northern and Southern Hemisphere have opposite seasons.

• Earth is tilted and rotates daily on its axis.

• The continuous motion of air and water distributes the sun's energy.

• Global weather systems generally move from west to east.

What is one condition that is necessary in order for a hurricane to form?

• Warm ocean water

• Cold ocean water

• A strong warm front

• A strong cold front

What provides the energy needed to create winds in the atmosphere and currents in the ocean?

• Ocean Waves

• Atmospheric Winds

• The Sun

• Heat Deep within the Earth's interior

A front is a boundary between air masses. Which of the weather maps shows a cold front?

• Map A

• Map B

• Map C

• Map D

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

Based on the weather map, which city will 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

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.

• The state of Florida is smaller than the state of California.

• The air in Florida is more stable than the air in California.

• The air above Florida holds less moisture than the air above California.

• The ocean currents near Florida are warmer than the ocean currents near California.

In 2011, Typhoon Nesat struck the Philippines and caused widespread flooding. After hitting the Philippines, Typhoon Nesat was predicted to hit the large city of Hanoi, Vietnam.

• The formation of a low-pressure area south of Bangkok

• The formation of a high-pressure area south of Bangkok

• Cool water moving into the sea east of Hanoi

• Warm water moving into the sea east of Hanoi

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