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Question
Find out more about the following scientist with the help of the internet.
Thomas Edison
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Solution
- Thomas Alva Edison (1847-1931) an American inventor and businessman, has been described as America's greatest inventor.
- He invented the photograph in 1877 because of which he came to be known as 'The Wizard of Monto Park'. Thomas Edison had hearing problems during his childhood which persisted.
- The phonograph was the first machine that could record the sound of someone's voice and play it back. Edison recited the nursery rhyme 'Mary had a little lamb' and the phonograph played the words back to him.
- This was invented by a man whose hearing was poor and thought himself as deaf. It was Edison who designed a system of power plants.
- He has got 1093 patents to his credit. Many awards to his credit. Some of them are Franklin Medal, Albert Medal, Technical Grammy Award, etc.
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- What would you like to learn about in your Science period?
- Have you ever tried to do an experiment on your own? If yes, tell me about it. If not, tell me why you’ve never tried.
- What would you like to learn about in your English classes?
Think of as many examples of the following as you can within five minutes and write them in the appropriate column.
| Type of machine | Examples |
| Simple machines that are operated by hand |
|
| Machines that run on electricity | |
| Electronic devices |
Write as many uses of the following as you can. Form groups of four. Compare your lists. Make a long list by putting together the lists of all members.
- A cloth bag
- a wicker basket
- a glass bottle or jar
- a steel bowl
- a thick string or rope
Choose any one machine or device and prepare a short note about it. It should include
- The structure of the device
- How it works (functions)
- A labelled diagram
- One or two lines about when and how it evolved.
What were the odds against Faraday in his childhood?
What is the meaning of:
Reading became his obsession?
What was the subject of Davy’s lecture?
What actions and thoughts of Faraday show that he was inspired by Davy?
Why did Davy choose Faraday as his secretary?
Was Davy fair in his treatment of Faraday?
How did Faraday respond to that treatment?
An induction motor is a commonly used electrical machine. What examples of its use are given here?
Give one example to show that Davy was not a good mentor.
Guess the meaning of reverse engineer it.
Faraday kept a souvenir of his failure as a source of inspiration.
Write the idea behind an electrical generator.
‘In order to succeed, your desire for success should be greater than your fear of failure’.
- Michael Faraday
Try out the experiment of the iron filings and the magnet.
epitomises: is a perfect example of.
Find the following matter in the passage and copy the missing word.
When he was twelve, ______ school ______.
Find the following matter in the passage and copy the missing word.
He handed him a piece of Bavarian glass, which ______ microscopes ______.
Find the following matter in the passage and copy the missing word.
He went on to prove that ______ filings;
Find the following matter in the passage and copy the missing word.
It was Maxwell who ______ equations ______.
Now complete the following sentence using your own word.
One day he came across a book on ______.
Now complete the following sentence using your own word.
He decided that ______.
Now complete the following sentence using your own word.
People started telling ______ that ______.
Now complete the following sentence using your own word.
He went on to prove that ______.
Now complete the following sentence using your own word.
It was ______ who ______.
