3 Weather and Climate Unit 1 About the Earth
1 What is the difference between weather and climate?
1. Visit the Hong Kong Observatory website. How does the Hong Kong Observatory describe the weather? Fill in the information about the weather today.
Activity Booklet 5
Quick Check The Hong Kong Observatory: 1. uses temperature / relative humidity to describe the coldness and the hotness of the weather. 2. uses temperature / relative humidity to describe the dryness and the wetness of the weather. 3. uses a picture to show whether there is rainfall.
2. Work in groups and discuss if Hong Kong’s temperature today is normal. Find out the answer from this graph. Activity Booklet 5
Hong Kong
Monthly average temperature and rainfall in Hong Kong (in a 30-year period)
Temperature (°C)
Rainfall (mm)
500 450 400 350 300 250 200 150 100 50 0 Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec
40 35 30 25 20 15 10
1. Weather changes every day. However, when we observe it for a long period of time, we can see that there is a regular pattern for the changes. 2. Such a pattern is referred to as climate. It is the average weather condition over a longer period of time in the past.
5 0 –5 –10
Total rainfall Average lowest temperature Source: Hong Kong Observatory website, HKSAR Government Average highest temperature
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