Global Winds and Currents

Throughout the year, there is usually some wind blowing at the beach during the day and night. What is the cause of these winds?

• air flowing down mountains to the ocean
• differences in the humidity over land and ocean
• differences in the temperature of land and ocean 
• air flowing from the upper parts of the atmosphere

In which direction do prevailing westerlies flow?

• from east to west
• from west to east
• from north to south
• from south to north

What two factors are needed to measure wind?

• direction and speed
• temperature and speed
• direction and temperature
• speed only

Which describes how wind speed if affected by weather?

• rainy weather causes greater wind speeds
• warmer weather causes greater wind speeds
• differences in air pressure cause greater wind speeds
• small temperature changes cause greater wind speeds

Which types of winds cause weather in North Carolina?

• polar easterlies
• prevailing westerlies
• polar westerlies
• prevailing easterlies

Global winds over the United States blow in which direction?

• east to west
• north to south
• south to west
• west to east

if you wanted to find the jet steam, where would you go? 

• 100 km above the earth's surface 
• the area around the equator 
• 10 km above the earth's surface 
• 1 km above the earth's surface 

In a sea breeze, the air is warmer above the _____.

• land
• ocean
• sky
• beach

How does the air move in a land breeze?

• From east to west
• From west to east
• From the land to the ocean
• From the ocean to the land

Is this a land or a sea breeze?

• land breeze
• sea breeze