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प्रश्न
Find out more about the following scientist with the help of the internet.
Humphry Davy
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उत्तर
- Humphry Davy (1778-1829) was a British scientist.
- It was he who found out that the inhalation of nitrous oxide produced surprising results, it came to be known as the laughing gas.
- He was awarded a medal by Napoleon, and he identified the element iodine for the first time.
- He is remembered for his discoveries of sodium, potassium, calcium, magnesium, etc. He was awarded the Copley Medal, Rumford Medal, and Royal Medal.
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संबंधित प्रश्न
Write what is implied in the following sentence.
But few know his inspirational life story, which is all about courage and fighting against the odds.
(What does it tell you about Faraday’s life?)
Write what is implied in the following sentence.
Even then Davy did not have much hope for Faraday.
(What do the words 'even then' suggest?)
Write what is implied in the following sentence.
People started telling Davy that of all his discoveries, the best was Faraday himself.
(What does it suggest about Davy’s work?)
Break the passage into convenient smaller sections.
Give sub-headings or titles to each section.
List the different gadgets and instruments mentioned in the passage. Find more information about them (at least 3), using the internet.
Find out more about the following scientist with the help of the internet.
Michael Faraday
Find out more about the following scientist with the help of the internet.
Thomas Edison
Find out more about the following scientist with the help of the internet.
James Maxwell
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 |
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.
Before you read further, guess what the passage is about.
What were the odds against Faraday in his childhood?
What is the meaning of:
Reading became his obsession?
Guess the meaning of mentor.
Why did Davy choose Faraday as his secretary?
Was Davy fair in his treatment of Faraday?
How did Faraday respond to that treatment?
What happens when an electric current is applied to a wire?
An induction motor is a commonly used electrical machine. What examples of its use are given here?
Give one example to show that Faraday was a good pupil.
Give one example to show that Davy was not a good mentor.
‘In order to succeed, your desire for success should be greater than your fear of failure’.
- Michael Faraday
Why were Faraday’s drawings not accepted?
Does it mean they were wrong?
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.
One day he came across a book on ______.
Find the following matter in the passage and copy the missing word.
Faraday decided that ______ scientist - ______.
Find the following matter in the passage and copy the missing word.
Davy never believed ______ science ______.
Find the following matter in the passage and copy the missing word.
People started telling Davy that ______ discoveries, ______.
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;
Now complete the following sentence using your own word.
He decided that ______.
Now complete the following sentence using your own word.
He went on to prove that ______.
