unit16-nbsp;warming-nbsp;up-nbsp;listening-课件.ppt

gravity RelativityEvolutionin a chemistry labdoing an experiment an English-Chinese dictionary,an English book and a notebook in a physics labdoing an experimentWarming up1.Look at the textbook P22 and describe what can be seen in each picture.What is it about?2.What English words do you think of for each subject of science?sciencephysicschemistrybiologychemistry science of elements and their laws of combination and change element substance gas,liquid,solid chemical change chemistry experiments physics science of matter and energy and of interactions between the two matter power energy physical change physics experiment Listening1.Listen to the tape.Tick the things that Mrs Zhu talks about.()safety in the lab ()gloves ()gases ()experiments ()long hair ()liquids ()car accidents ()shoes ()flames 1.Safety comes first!2.Follow the teachers instructions.3.Bottles may contain dangerous gases.4.Immediately wash your eyes with a lot of water.5.1)Clear everything away and leave the classroom neat and clean.2)Wash your hands with water and soap.3)Turn off the lights and shut the windows.Listening P22Cloning1.can help some women have babies2.can help medical research1.it is not natural to make people2.dangerous,people use it to do strange thingsNuclear energy1.can make all the electricity we need2.is a limitless resource1.unsafe to all life if not controlled2.can be expensive to build/repairSpeaking on P23 Computers1.makes communication faster2.can keep information better1.unsafe because of viruses2.makes more problems than it solves Space flights1.makes research of outer space possible2.put communication satellites in space1.expensive and dangerous 2.used by the army