Unit16 scientists at workPeriod 1 Physics Laboratory Chemistry Laboratory Biology laboratory1.Can you give an example of what you learn about for each field of science?• In physics we learn about the laws of the universe.• In chemistry we learn about the way different liquids and materials react with each other.• In biology we learn about life on earth.What English words do you think of for each subject of science? physicspowerphysical changephysics experimentelectricitygravityforcematterenergy Chemistrysubstanceelementgasliquidchemical changemetal solidchemistry experimentsbiologymicroscopeLiving thinganimalbeingcellgermplantbiology experiment What do we have to be careful with in a lab? Listening1. Listen to the tape, tick the things that Mrs Zhu talks about.• safety in the lab• experiments• car accident• gloves• long hair• shoes• gases• liquids• flamesListen carefully and answer the following questions.• 1.What is the most important thing students should remember?• Safety comes first.• 2.What is the first thing students should do when they come into the lab?• Follow the teacher’s instructions.• 3.Why should students be careful smelling from bottles?• Bottles may contain dangerous gas.• 4.What is to be done when anything gets into your eyes?• Immediately wash your eyes with a lot of water.• 5.What should students do before leaving the lab?• Clear everything away and leave the classroom neat and clean. Wash your hands with water and soap. Turn off the lights and shut the windows.Maglev train• Advantages:• Fast• Clean• Doesn’t make any noise• Disadvantage• Much too expensiveSpeakingSpeaking----EXAMPLE:A :Shanghai is the first city in the world to have built a high-speed maglev train, from the...
