英语必修1外研版Module5新课改系列：P1--Warming up.ppt

外研新标准 第一册 必修1 Module 5 A lesson in a lab;Module 5;Appreciation of a clip about an interesting physical experiment;Objectives;Do you like doing experiments?;1;Albert Einstein ;Newton;Benjamin Franklin ;Galileo;Where do the scientists do the experiment?;Lab;balance 天平;VS;How can we carry out an experiment successfully?;Put the words in the correct order to describe the stages of a scientific experiment.;Aim; (a) Water exists as a solid, a liquid and a gas. (b) Water exists as a solid and a liquid only. 2. (a) When you heat a metal, it expands. (b) When you heat a metal, it contracts.;3. (a) Steel is a mixture of iron and other substances. (b) Steel is a mixture of iron and oxygen. 4. (a) Two-thirds of the earth’s surface is water. (b) 50% of the earth’s surface is water. 5. (a) The distance of the sun from the earth is 25,5000 kilometres. (b) The distance of the sun from the earth is 150,500,500 kilometers.;6. (a) The earth is 4.6 million years old. (b) The earth is 4.6 billion years old. 7. (a) The earth is twice as large as the moon. (b) The earth is forty-nine times larger than the moon.;Put these words in pairs or groups.;solid/liquid/gas;Answer the questions.;Electricity and some metals (alloys for example) can be man-made and occur naturally.;Look at the following pictures. Do you know what are they?;iron 铁; sodium 钠 ;aluminium 铝;calcium 钙;copper 铜;magnesium 镁;zinc 锌;Potassium Sodium Calcium Magnesium Aluminum Zinc Iron Copper;我平生从来没有做过一次偶然的发明。 我的一切发明都是经过深思熟虑， 严格试验的结果。 ── 爱迪生;Homework;Thank you.