4.1.3 Temperature4.1.3.1 DefinitionWhen we describe the weather, we usually mention how hot or could it is. The degree of hotness or coldness or the air is called temperature.Temperature varies throughout the day in a place. As we have leanr, the Earth rotates on its axis. This rotation causes the Sun to “rise” at the beginning of the day and “set” in the everning. Therefore, the temperature rises and falls as the Earth rotates from west to east.Why do you think the temperature is warmer at the foot of the mountain?Temperature also varies from place. For example, the temperature at a mountain top is lower than that at the foot of the mountain. Also, places nearer the Equator are warmer thoughout the year than places farther away from it. For instance, Singapore experience warm temperature throughout the year . On the other hand, the North and South Poles experience very low temperature throughout the year, usually less than 0 degree Celsius.How does temperature vary in the world?
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