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Unit Test in Science 8

Quiz by Gemma M. Manalo

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15 questions
Show answers
  • Q1
    What is a tropical cyclone
    It is described as a weather disturbance with low pressure characterized by very strong winds blowing counter-clockwise, heavy rainfall and even tornadoes
    It is the boundary between two air masses with different temperature
    It is the average weather in a particular place or region over a much longer time frame
    It is a large body of air that acquires the physical characteristics mainly temperature and moisture content of the surface of the region over which it is moving.
  • Q2
    Where are most Philippine typhoons formed?
    Caroline-Marianas area of the Pacific
    at the equator
    sea over the Philippine Deep
    in the northern and southern hemisphere
  • Q3
    Weather disturbances usually occur along the boundary between
    two air masses of different temperature
    two low pressure areas
    two cold fronts
    two warm fronts
  • Q4
    What two factors cause the winds in a tropical cyclone to spin?
    cold air rushing toward the eye of the cyclone
    Earth's rotation and oppsoing directions of the NE and SE Trade Winds
    warm water and Coriolis effect
    rising warm air and condensation of its moisture
  • Q5
    The properties of an air mass depends on
    the temperature and humidity of the land or water over which it is moving
    the climate of the region
    the speed and direction of the wind
    its distance from the equator
  • Q6
    How would you describe the air mass over the Pacific Ocean on a hot summer day?
    hot and salty
    lukewarm and dry
    warm and moist
    cold and humid
  • Q7
    The changing conditions of the atmosphere result from the interaction of the following except
    humidity of the air
    wind speed
    temperature and pressure of the air
    level of tide waters
  • Q8
    For cyclone to continue developing, three conditions are necessary except
    There must be continuous supply of rising cold air
    The air at the center must rise enough to cool and bring about condensation
    The exit of the air above is continuous, thus, permitting a continuous flow of warm air from below
    There must be continuously supply of rising warm moist air
  • Q9
    Among the factors that contribute to the relatively high incidence of typhoons that visit the Philippines are the following except
    Location of the Philippines right along the path of typhoons that originate from the Caroline-Marianas area
    sudden release of energy stores in rocks
    large surface area of the pacific ocean and the warm waters of the tropical sea
    presence of the monsoons particularly the Southwest Monsoon
  • Q10
    Trade winds from the Northern and Southern Hemispheres converge at the
  • Q11
    Weather forecasts are important because we want to know, for instance:
    if and when the typhoon is expected to enter a leave the PAR
    all of the above
    What provinces are on the predicted path of the typhoon and how the typhoon will affect the people's activities and plans
    if a low pressure area has become a typhoon and how strong it will be
  • Q12
    Which of the following is a good effect of typhoons?
    reduction of air pollution
    erosion of steep mountain slopes
    pollution of water with mud/slit
  • Q13
    Following is a list of instruments and tools for weather forecasting. Which should be omitted?
    wind speed
    aneroid barometer
  • Q14
    An element or factor used in weather forecasting that refers to the amount of water vapor in the air or atmosphere caused by condensation and precipitation
    wind speed
  • Q15
    What is the tropical cyclone classification if the wind intensity is greater than 220 kilometers per hour (kph)
    sever tropical storm
    tropical depression
    Super typhoon

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