Science test today

Today Mr chee meng teack gave us science test ... The test is on chapter 11 and 12 that is electricity and magnet.We only study for 4 days is too short today test all i can do but fix up live and earth wire when i look into the book live wire should be brown and earth wire is yellow/green.. I maybe will fail or pass my science test the total mark is 40 marks .. During sec 3 i usually fail my science test.. See this year i can pass my science test.. During recess time saw Kai cheng from 4C2 he told me that his phone memory card was spoit and cannot be reformat all his music in his phone all gone.... Yesterday it was still ok till when i send him song later msn me that his memory card i was day dreaming how can his memory card spoit for just sending a song......