TERM: 3RD TERM
TOPIC: CONTROLLING THE WEATHER
Weather is the state of condition of the atmosphere at a given time. It is a state of the atmosphere with regards to temperature, wind, precipitation, air pressure and other factors.
Meteorology is the scientific study of the atmosphere and the changes that take place in weather. Meteorologist forecast the future condition of weather by studying, observing, recording and analyzing the condition of the atmosphere.
SUBTOPIC: SIMPLE WEATHER CONDITION
��� The instrument used for measuring pressure is called the barometer.
��� When air is saturated, relative humidity is high; rainfall is quite likely and vice versa. The instrument normally used to measure the amount of water vapour in the air is wet-and-dry bulb thermometer known as hygrometer.
SUBTOPIC:� EFFECT OF WEATHER ON HUMAN ACTIVITIES
Weather plays an important part in human activities. Weather changes constantly. One day it is dry and sunny, the next day cloudy and rainy. Farmers need good weather so that crops can grow and ripe.
Rainfall could have prevented you from coming to school or disturbed parts of your programme.
Weather sometimes affects sales in market places. Transportation and communication also suffer in bad weather.
��� (a) Anemometer (b) hygrometer (c) barometer (d) thermometer
��� (a) Wind (b) humidity (c) gravity (d) rainfall
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