Writing Task
Choose one of the topics below
Use punctuation marks and capital letters to get a full story
Find 2 compound nouns in the 1" story and underline them
Find 2 abstract nouns in the 2nd story and underline them
Topic 1.Our Neighbourhood
she looked at the man he was walking on the sidewalk she did not know this man he was a stranger she did
not trust this man he did not live in this neighborhood she was driving her car slowly she was almost home
she drove past the man she watched him in her rear-view mirror he stopped walking on the sidewalk he
walked up her neighbor's driveway a car was in the driveway he walked up to the driver's door he stopped
then he walked back to the sidewalk what he was doing she wondered then she realized what he was doing
he was testing the driver's door he was testing it to see if it was locked she called the police
And each of them has contributed to the history of the invention simple household light bulbs. So to answer the question : Who invented the light bulb , alas , will not work .Starting the conversion of electrical energy into light on the experience of the scientist Vasily Petrov , the phenomenon of a voltaic arc in 1803godu . In 1810, the same discovery by English physicist Devi. Both of them got voltaic arc , using a large battery of elements between the ends of the rod of charcoal.In 1875 Pavel Yablochkov offered a reliable and simple solution for arc lamps . It is located parallel to the carbon electrodes , separated by an insulating layer . The invention was a huge success. In 1877, with their help was first arranged street electricity on Avenue de L `Opera in Paris.And so it lasted a long time. Different scholars have perfected the light bulb.The last stage was the use of light bulbs improvements noble inert gases (eg argon) to fill the cavity of the lamp. Thanks to this innovation , proposed by Irving Langmuir , modern light bulbs are not only bright, but also durable .