Unit4 Earthquake- warming up學案
unit4 earthquake- warming up學案ⅰ.what natural disasters have you heard of?________________ _______________ _______________ ______________ ___________________________ _______________ _______________ ______________ ___________ⅱ.which disaster may cause the worst damage? _______________________________________________________________________ⅲ.discussion:how much do you know about an earthquake?1) what do you think will happen before an earthquake?n _______________________________________________n _______________________________________________________n ______________________________________________________2)what’s the result of a bad earthquake? n _______________________________________________n _______________________________________________________n ______________________________________________________n ________________________________________________________n ________________________________________________________3) what shall we do if an earthquake happens when we are at school?n _______________________________________________n _______________________________________________________n ______________________________________________________n ________________________________________________________n ________________________________________________________4) can we stop earthquakes?n _______________________________________________n _______________________________________________________5) what can we do after earthquakes?n _______________________________________________n _______________________________________________________n ______________________________________________________ⅳ.listening1. read the statements and then listen to the whole text. decide whether the statements are true or false. (1) it is believed that on the surface of the earth are a number of plates. ( )