There are many challenges facing science teachers today. Choose two that you think are important and discuss. I have to give a 10 min presentation on this...m not sure what topics to choose.... infact to be honest dont know many science issues...been reading for a while now....but Science!!! Please help me with topics as i really dont know where to start... also i had a question about a presentation...how do you start it?? your first line......thanks my interview is on the 20th...but i am buzy brushing my subject knowledge as well.... do u think i should concentrate more on my presentation, my interview is at goldsmiths for physics science. They dint mention an group discussion of any sort..should i expect? Thanks ...m really nervous today...any help gratefully accepted..