1) Which of the following is an air current high in the air, which has a cold air mass above it and a warm air mass below it? a) jet stream b) gulf stream c) cold front d) global winds 2) Which direction does the jet stream flow? a) east to west b) west to east c) north to south d) south to north 3) Which winds do we experience in the United States that are responsible for the direction of our weather patterns? a) trade winds b) prevailing westerlies c) polar easterlies d) doldrums 4) What directions do air masses in the United States typically move? a) from west to east b) from east to west c) from north to south d) from south to north 5) What is the name of the warm ocean current that brings warm temperatures to the eastern coast of the United States? a) jet stream b) polar easterlies c) prevailing westerlies d) gulf stream 6) This weather pattern is an unusual warming of the Pacific Ocean which impacts weather around the world. a) La Nina b) El Nino c) Gulf Stream d) Hurricane 7) This weather pattern is an unusual cooling of the Pacific Ocean which impacts weather around the world. a) La Nina b) El Nino c) Gulf Stream d) Jet Stream 8) This weather pattern often results in a more active hurricane season in the Atlantic Ocean. a) La Nina b) El Nino c) Gulf Stream d) Jet Stream 9) This weather pattern often results in more rain and storms as well as higher temperatures. a) La Nina b) El Nino c) Gulf Stream d) Jet Stream 10) The conditions needed for a hurricane are... a) high pressure and warm temperatures (80 degrees or higher) b) high pressure and cool temperatures (less than 80 degrees) c) low pressure and warm temperatures (80 degrees or higher) d) low pressure and cool temperatures (80 degrees or lower)

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