BPEEP Module 11 Learning Experience 1.2
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Learning Experience 1.2 WINDY ISSUES – What causes the wind to blow? Name: Date: Class: Find information in textbooks, on the internet or from the library to complete the activities on this worksheet. What is wind? What causes it to blow? What is the difference between a breeze and a gale? Your task is to research the answers to these questions and to find out exactly what causes the wind to blow. What is the difference between warm and cool air? Which one weighs more? Which one is denser? ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ Find out what a convection current is and draw a labelled diagram to help your explanation ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ ________________________________ What do convection currents have to do with winds? ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ In your own words write a definition for the term wind. ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ The terms highs and lows are often used when talking about weather. What is a high and what is a low? ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ __________________________________________________ Weather forecasts predict tomorrow’s weather. If there is a high what type of weather is this associated with? ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ The local winds that occur around coastal areas are known as land and sea breezes. Why do land and sea breezes occur? Why do land breezes occur at night? Why do sea breezes occur during the day? ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ ______________________________________________________________ Draw two labelled diagrams that show how land and sea breezes are formed.
