1.
A) at a specific temperature B) over a long period of time C) over a short period of time D) at a specific time and place 2.
A) They help meteorologists tell how fast wind is blowing by noting how far apart isobars are placed on a weather map. B) They help meteorologists tell how fast wind is blowing by noting how closely isobars are placed on a weather map. C) They help meteorologists see areas of equal temperature. D) They help meteorologists predict dry weather. 3.
A) two B) an unknown number of C) four D) three 4.
A) Tornadoes occur over land and hurricanes occur over sea. B) Tornadoes happen during winter and hurricanes happen in the summer. C) They are the same things. D) Tornadoes occur over sea and hurricanes occur over land. 5.
A) relative humidity B) evaporation point C) saturation point D) dew point 6.
A) Different parts of a cloud become oppositely charged, and current flows between them. B) The atmospheric pressure suddenly rises. C) The relative humidity drops. D) Converging fronts collide. 7.
cirro added to the suffix cumulus, cirrocumulus , refers to __________.A) high, curly clouds B) high, puffy, white clouds C) low, puffy, white clouds D) middle-level, flat, even clouds 8.
A) The Sun heats air in the atmosphere. B) all answers are correct C) The Sun heats water on Earth. D) The Sun evaporates water in the atmosphere to create clouds. 9.
A) hail B) rain C) sleet D) snow 10.
A) sunny weather B) approaching storms C) fog D) fair weather and rainstorms 11.
stationary front describes a front __________.A) that stops advancing B) that changes C) that continues forward D) that is present for a brief amount of time 12.
A) snow B) space C) air molecules D) small particles like dust and salt 13.
A) thunder B) similar wind speeds and directions C) a difference in wind direction and speed D) increasing rainfall 14.
A) Humidity B) Saturation C) Relative humidity D) Air pressure 15.
A) a storm B) a hurricane C) a high pressure zone D) a front 16.
A) atmospheric pressure B) humidity C) temperature D) wind speed 17.
A) they know about them far in advance B) they often occur during lightning storms C) they last for extended periods of time D) there is often little warning before they occur 18.
A) weak updrafts of warm, moist air B) strong updrafts of warm, moist air and sinking, rain-cooled air C) rain-cooled air D) strong updrafts of dry air 19.
A) the direction of air molecules B) the average motion of air molecules C) the composition of air molecules D) the arrangement of air molecules 20.
A) Air moves from regions of high pressure to regions of low pressure. B) low pressure C) weather patterns D) high pressure
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