1.
What is the difference between a tornado and a hurricane?A) They are the same things. B) Tornadoes occur over sea and hurricanes occur over land. C) Tornadoes occur over land and hurricanes occur over sea. D) Tornadoes happen during winter and hurricanes happen in the summer. 2.
When two air masses of different densities collide, it's called__________.A) a front B) a hurricane C) a high pressure zone D) a storm 3.
When the temperature reaches its ____ , snow, rain,or hail is likely to form.A) evaporation point B) relative humidity C) dew point D) saturation point 4.
Weather refers to the state of the atmosphere__________.A) at a specific temperature B) over a long period of time C) at a specific time and place D) over a short period of time 5.
What causes wind?A) high pressure B) Air moves from regions of high pressure to regions of low pressure. C) low pressure D) weather patterns 6.
Cumulous clouds are associated with __________.A) sunny weather B) approaching storms C) fair weather and rainstorms D) fog 7.
The prefix cirro added to the suffix cumulus, cirrocumulus refers to __________.A) low, puffy, white clouds B) high, curly clouds C) high, puffy, white clouds D) middle-level, flat, even clouds 8.
____ is the measure of amounts of moisture in the air compared to the amount needed for saturation at a certain temperature.A) Relative humidity B) Humidity C) Saturation D) Air pressure 9.
An anemometer measures_____.A) temperature B) wind speed C) atmospheric pressure D) humidity 10.
What is the cause of the strong winds associated with thunderstorms?A) strong updrafts of warm, moist air and sinking, rain-cooled air B) weak updrafts of warm, moist air C) rain-cooled air D) strong updrafts of dry air 11.
What causes low-pressure winds to swirl in a counter-clockwise direction?A) Earth's revolution around the Sun B) the natural tendency of winds to blow from low to high pressure C) precipitation D) Earth's rotation 12.
Of the four main types of precipitation, which refreezes after melting near the ground?A) hail B) snow C) rain D) sleet 13.
What creates a wind shear?A) thunder B) a difference in wind direction and speed C) increasing rainfall D) similar wind speeds and directions 14.
What type of clouds form thunderstorms?A) nimbostratus B) cumulonimbus C) cirrostratus D) nimbus 15.
An occluded front occurs between _______ air masses.A) two B) an unknown number of C) four D) three 16.
How do isobars help meteorologists predict weather?A) They help meteorologists predict dry weather. B) They help meteorologists tell how fast wind is blowing by noting how far apart isobars are placed on a weather map. C) They help meteorologists tell how fast wind is blowing by noting how closely isobars are placed on a weather map. D) They help meteorologists see areas of equal temperature. 17.
Stratus clouds form __________.A) fog B) puffy white clouds C) fibrous, or curly, clouds D) layers of even sheets in the sky 18.
The term stationary front describes a front __________.A) that continues forward B) that changes C) that is present for a brief amount of time D) that stops advancing 19.
What does water vapor condense around to form clouds?A) air molecules B) small particles like dust and salt C) snow D) space 20.
What element of air determines its temperature?A) the arrangement of air molecules B) the direction of air molecules C) the composition of air molecules D) the average motion of air molecules