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Question
Try out the experiment of the iron filings and the magnet.
epitomises: is a perfect example of.
Solution
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Materials Needed: You'll need some iron filings, a sheet of paper, and a bar magnet.
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Preparation: Place the sheet of paper on a flat surface.
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Positioning the Magnet: Place the bar magnet under the sheet of paper. You can experiment with different orientations, such as placing the magnet flat or standing it on one end.
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Sprinkling Iron Filings: Gently sprinkle the iron filings onto the paper above the magnet.
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Observation: You will observe that the iron filings align themselves along the magnetic field lines of the magnet. Near the poles of the magnet, where the magnetic field is strongest, the filings will be denser.
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Experimenting Further: You can experiment with different magnets, or even multiple magnets, to see how the patterns change.
This experiment is a perfect example of how a physical phenomenon, which is not visible to the naked eye, can be represented visually in a simple and educational way. It helps in understanding the concepts of magnetic fields, magnetic poles, and the way magnetic forces act on ferromagnetic materials like iron.
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| Type of machine | Examples |
| Simple machines that are operated by hand |
|
| Machines that run on electricity | |
| Electronic devices |
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Before you read further, guess what the passage is about.
Why do you think Faraday’s friend gave him a free ticket to Davy’s programme?
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.
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.
Write the idea behind an electrical generator.
‘In order to succeed, your desire for success should be greater than your fear of failure’.
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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.
Davy never believed ______ science ______.
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.
It was Maxwell who ______ equations ______.
Now complete the following sentence using your own word.
When he was twelve, ______.
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 never believed ______.
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 ______.
