1) In North Carolina, the wind is blowing from the north. If the wind changes direction and begins to blow from the south, what will most likely result? a) The temperatures will increase. b) The temperatures will decrease. c) The air pressure will increase. d) The wind speeds will decrease. 2) Which best explains why a storm that affects an area in the western United States may affect an area in the eastern United States a few days later? a) The jet stream winds blow storms from east to west. b) The jet stream winds blow storms from west to east. c) Cool Gulf Stream water causes storms to form in the east. d) Warm Gulf Stream water causes storms to form in the west. 3) Which is most responsible for the changes in seasons? a) the jet stream b) the ocean currents c) the distance from Earth to the sun d) the tilt of Earth on its axis 4) Which best describes the cause of day-to-day weather changes?  a) the rotation of Earth b) the size of Earth c) moving air masses d) action of the winds 5) Students report that the sky in their area has mostly cirrus clouds. What are most likely the weather conditions in the area? a) rainy b) cold c) windy d) fair 6) Which best describes a hurricane? a) a low-pressure weather system b) a high-pressure weather system c) a cold front d) a stationary front 7) Which instrument is best used to predict weather changes? a) a hygrometer b) an anemometer c) a thermometer d) a barometer 8) On a June day, a warm, moist air mass slowly passes over a colder air mass in North Carolina. What will most likely happen next? a) Rain will fall. b) Cirrus clouds will form. c) Skies will clear. d) Atmospheric pressure will rise. 9) Which is most responsible for the movement of weather systems across the United States? a) the Gulf Stream b) the prevailing westerlies c) the southeast trade winds d) the jet stream 10) Which best describes how the Gulf Stream affects the areas along the coast of North Carolina? a) It causes winds to move from north to south during the winter. b) It causes winds to move from north to south during the summer. c) It causes land temperatures along the coast to be colder in the winter. d) It causes land temperatures along the coast to be milder in the winter.

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