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英语高中必修第三册《Unit 3 The world of science》名师精品PPT课件下载
List the key elements and the language features of an experiment report.
Design and implement an experiment—Magic bottle.
Use accurate and appropriate expressions related to the experiment reports.
Write a report of the experiment.
Quiz
Why are we shorter at night than we are in the morning?
That’s because the intervertebral disc contracts under the influence of gravity.
Franklin wanted to know if lightning was really produced by electricity or something else. So, on the afternoon of a thundering June day, Franklin decided to fly a kite. He prepared a kite, a key and a long string. He first attached his kite to a piece of string, and then tied a metal key at the other end of the string.
Reading for the structure
After that, he raised the kite with the string and key tied to it. When a flash of lightning hit the kite, electricity was conducted through the string to the key. Franklin then touched the key with his finger and got an electric shock. This, he said, proved that lightning was a form of electricity.
Reading for the structure
Franklin wanted to know if lightning was really produced by electricity or something else. So, on the afternoon of a thundering June day, Franklin decided to fly a kite. He prepared a kite, a key and a long string. He first attached his kite to a piece of string, and then tied a metal key at the other end of the string.
Reading for the structure
After that, he raised the kite with the string and key tied to it. When a flash of lightning hit the kite, electricity was conducted through the string to the key. Franklin then touched the key with his finger and got an electric shock. This, he said, proved that lightning was a form of electricity.
Reading for the structure
Summary: Elements of an experiment report
Introduce the aim of the experiment
State the method used in the experiment
Describe the materials used in the experiment
Explain the procedure
Report the results
Summarize what you have learnt
Reading for language features
1. Does the report include any subjective views to describe the experiment and its results?
No. But sometimes you need to express your opinions and those views or opinions have to be based on objective facts.