Science 5 Flashcards
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ways of preventing soil erosion:
Contour farming, crop rotation, terracing, no-till, and strip cropping.
Refers to the general condition of the atmosphere at a given time & place.
Weather
The boundary of air masses & another.
Front
Types of weather disturbances
Storm, Thunderstorm, Hurricane, Tropical Cycle.
A violent disturbance of the atmosphere characterized sudden changes in air pressure and rapid air movements
Storm
a localized storm cloud that produces Thunder and lightning.
Thunderstorm
A tropical storm with a diameter of about 100 km and has winds spiraling inward & upward at speeds.
Hurricane
A weather disturbance which usually forms over large areas of relatively warm water classification of tropical cyclones.
Tropical cycle.
It is a characterized by heavy to intense rainfall with a maximum sustained wind of up to 61kph
Tropical Depression
It is characterized by strong thunderstorms with maximum sustained wind speed ranging from 62 to 88kph
Tropical storm
It is still a tropical storm with a maximum sustained speed ranging from 89 to 117 kph
Severe Tropical Storm
It is a tropical cyclone with a maximum wind speed ranging 118 to 220 kph, developing an ‘‘eye’’ an area of relative calm at the center of circulation.
Typhoon
It is a tropical cyclone with a maximum sustained wind speed exceeding 220 kph
Super Typhoon
A violent, whirling, funnel-shaped, windstorm in contact with the ground which of the ten often develops from a thunderstorm.
Tornado.
