Advertisements
Advertisements
प्रश्न
Find out more about the following scientist with the help of the internet.
Humphry Davy
Advertisements
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.
APPEARS IN
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.
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
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.
Before you read further, guess what the passage is about.
What were the odds against Faraday in his childhood?
What is the meaning of:
Electricity became a lifelong fascination?
What was the subject of Davy’s lecture?
What actions and thoughts of Faraday show that he was inspired by Davy?
Guess the meaning of mentor.
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.
Guess the meaning of reverse engineer it.
Faraday kept a souvenir of his failure as a source of inspiration.
‘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?
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.
People started telling Davy that ______ discoveries, ______.
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.
He decided 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 ______.
