Welcome to PoraGhar Axom! Here you will find the most accurate and complete notes for Assam Jatiya Bidyalay Class 4 English - Lesson 13: The Wizard Who Lit Up the World. In this post, we provide a line-by-line Assamese translation, word meanings, textbook solutions, and grammar exercises (Prepositions) to help you score 90%+ in your exams.
Table of Contents đ
Did You Know? (āĻিāĻŦা āĻাāύাāύে?)
Thomas Alva Edison tried thousands of different materials before finding the perfect filament for his light bulb. He even tested materials like cotton thread and bamboo fiber before finding one that glowed without burning out quickly!
đ Quick Chapter Summary
This lesson tells the inspiring story of Thomas Alva Edison, one of the greatest scientists in the world. As a child named "Al," he was considered a slow learner and was pulled out of school. However, his mother homeschooled him, and his curiosity led him to read widely and conduct experiments. Through immense hard work and after failing thousands of times, he invented life-changing devices like the phonograph and the electric light bulb. He proved that true genius comes from hard work, saying: "Genius is 1% inspiration and 99% perspiration."
1. Lesson Text & Translation (āĻĒাāĻ ā§° āĻ āύুāĻŦাāĻĻ)
The Wizard Who Lit Up the World
āĻāĻāϤ āĻĒোāĻšā§°োā§ąা āϝাāĻĻুāĻā§°āĻāύ
(Can you imagine your life without the light bulb that you are using at your home or school?
(āϤুāĻŽি āĻā§°āϤ āĻŦা āĻŦিāĻĻ্āϝাāϞāϝ়āϤ āĻŦ্āĻ¯ā§ąāĻšাā§° āĻā§°ি āĻĨāĻা āϞাāĻāĻ āĻŦাāϞ্āĻŦāĻোā§° āĻ āĻŦিāĻšāύে āϤোāĻŽাā§° āĻীā§ąāύ⧰ āĻāĻĨা āĻāϞ্āĻĒāύা āĻā§°িāĻŦ āĻĒাā§°িāĻŦাāύে?
Without the light bulb, we would still be using candles and lanterns like the people did many years ago.
āϞাāĻāĻ āĻŦাāϞ্āĻŦ āύোāĻšোā§ąা āĻš'āϞে, āĻāĻŽি āĻāϤিāϝ়াāĻ āĻŦāĻšু āĻŦāĻā§° āĻāĻā§° āĻŽাāύুāĻšā§° āĻĻā§°ে āĻŽāĻŽāĻŦাāϤি āĻā§°ু āϞেāĻŽ āĻŦ্āĻ¯ā§ąāĻšাā§° āĻā§°িāϞোঁāĻšেঁāϤেāύ।
Life would be very hard, right?
āĻীā§ąāύāĻো āĻŦā§° āĻāĻ িāύ āĻš'āϞāĻšেঁāϤেāύ, āύāĻšāϝ়āύে?
Do you know who invented the light bulb?
āϤুāĻŽি āĻাāύাāύে āϞাāĻāĻ āĻŦাāϞ্āĻŦ āĻোāύে āĻā§ąিāώ্āĻাā§° āĻā§°িāĻিāϞ?
Well, today we are going to talk about the person who invented the light bulb and many other things.)
āĻŦাā§°ু, āĻāĻি āĻāĻŽি āϞাāĻāĻ āĻŦাāϞ্āĻŦ āĻā§°ু āĻāύ āĻŦāĻšুāϤো āĻŦāϏ্āϤু āĻā§ąিāώ্āĻাā§° āĻā§°া āĻŦ্āϝāĻ্āϤিāĻāύ⧰ āĻŦিāώāϝ়ে āĻāĻĨা āĻĒাāϤিāĻŽ।)
At a place named Milan in Ohio, USA, there lived a couple named Samuel and Nancy.
āĻāĻŽেā§°িāĻা āϝুāĻ্āϤ⧰াāώ্āĻ্ā§°ā§° āĻ āĻšিāĻ 'ā§° āĻŽিāϞাāύ āύাāĻŽā§° āĻāĻāύ āĻ াāĻāϤ āĻেāĻŽুā§ąেāϞ āĻā§°ু āύেāύ্āϏি āύাāĻŽā§° āĻāĻšাāϞ āĻĻāĻŽ্āĻĒāϤী āĻŦাāϏ āĻā§°িāĻিāϞ।
On 11 February 1847, their youngest son Al was born.
ā§§ā§Žā§Ēā§ āĻāύ⧰ ā§§ā§§ āĻĢেāĻŦ্ā§°ুā§ąাā§°ীāϤ āϤেāĻঁāϞোāĻā§° āĻāύিāώ্āĻ āĻĒুāϤ্ā§° āĻāϞ⧰ āĻāύ্āĻŽ āĻšৈāĻিāϞ।
Al could not do well in his studies.
āĻāϞ āĻĒāĻĸ়া-āĻļুāύাāϤ āĻাāϞ āύাāĻিāϞ।
He was a slow learner.
āϏি āϞাāĻšে āϞাāĻšে āĻļিāĻা āϞ'ā§°া āĻāĻিāϞ।
His teachers said that he was 'too stupid to learn anything.'
āϤাā§° āĻļিāĻ্āώāĻāϏāĻāϞে āĻৈāĻিāϞ āϝে āϏি 'āĻāĻো āĻļিāĻিāĻŦ āύোā§ąাā§°া āĻŦিāϧ⧰ āĻŽূā§°্āĻ'。
Al's mother Nancy was disheartened by the teachers' opinion about her son.
āĻāϞ⧰ āĻŽাāϤৃ āύেāύ্āϏি āύিāĻā§° āĻĒুāϤ্ā§°ā§° āĻĒ্ā§°āϤি āĻļিāĻ্āώāĻāϏāĻāϞ⧰ āĻŽāϤাāĻŽāύ āĻĻেāĻি āĻšāϤাāĻļ āĻšৈāĻিāϞ।
So, just after 12 weeks of school, she decided to pull Al off from school.
āϏেāϝ়েāĻšে, āĻŽাāϤ্ā§° ⧧⧍ āϏāĻĒ্āϤাāĻš āĻŦিāĻĻ্āϝাāϞāϝ়āϞৈ āϝোā§ąাā§° āĻĒিāĻāϤ, āϤাāĻ āĻāϞāĻ āĻŦিāĻĻ্āϝাāϞāϝ়ā§° āĻĒā§°া āĻā§°ুā§ąাāĻ āĻ āύাā§° āϏিāĻĻ্āϧাāύ্āϤ āϞ'āϞে।
Being a school teacher herself, she began home-schooling him.
āϤাāĻ āύিāĻেāĻ āĻāĻā§°াāĻী āĻŦিāĻĻ্āϝাāϞāϝ়ā§° āĻļিāĻ্āώāϝ়িāϤ্ā§°ী āĻšোā§ąাā§° āĻŦাāĻŦে, āϤাāĻ āϤাāĻ āĻā§°āϤে āĻĒāĻĸ়াāĻŦāϞৈ āĻā§°āĻŽ্āĻ āĻā§°িāϞে।
Nancy taught Al reading, writing and arithmetic.
āύেāύ্āϏিāϝ়ে āĻāϞāĻ āĻĒāĻĸ়া, āϞিāĻা āĻā§°ু āĻ ংāĻ āĻļিāĻাāĻāĻিāϞ।
Al learned to be independent at a young age.
āĻāϞে āϏ⧰ু āĻŦāϝ়āϏāϤে āϏ্āĻŦাā§ąāϞāĻŽ্āĻŦী āĻš'āĻŦāϞৈ āĻļিāĻিāĻিāϞ।
He started selling newspapers to the passengers of the Grand Trunk Railroad line at the age of 12.
āϏি ⧧⧍ āĻŦāĻā§° āĻŦāϝ়āϏāϤে āĻ্ā§°েāĻŖ্āĻĄ āĻ্ā§°াংāĻ ā§°েāĻ˛ā§ąে āϞাāĻāύ⧰ āϝাāϤ্ā§°ীāϏāĻāϞāĻ āĻŦাāϤ⧰িāĻাāĻāϤ āĻŦিāĻ্ā§°ী āĻā§°িāĻŦāϞৈ āĻā§°āĻŽ্āĻ āĻā§°িāĻিāϞ।
Later, he published a newspaper named the Grand Trunk Herald.
āĻĒিāĻāϞৈ, āϏি āĻ্ā§°েāĻŖ্āĻĄ āĻ্ā§°াংāĻ āĻšেā§°াāϞ্āĻĄ āύাāĻŽā§° āĻāĻāύ āĻŦাāϤ⧰িāĻাāĻāϤ āĻĒ্ā§°āĻাāĻļ āĻā§°িāĻিāϞ।
Al did not only sell newspapers on the train.
āĻāϞে āĻেā§ąāϞ ā§°েāϞāϤ āĻŦাāϤ⧰িāĻাāĻāϤ āĻŦিāĻ্ā§°ী āĻā§°াāĻ āύাāĻিāϞ।
He also set up a laboratory in one of the baggage cars of the train.
āϏি ā§°েāϞāĻāύ⧰ āĻāĻা āĻŽাāϞāĻŦাāĻšী āĻĄāĻŦাāϤ āĻāĻা āĻĒā§°ীāĻ্āώাāĻাā§°ো āϏ্āĻĨাāĻĒāύ āĻā§°িāĻিāϞ।
There he used to conduct chemical experiments.
āϤাāϤ āϏি ā§°াāϏাāϝ়āύিāĻ āĻĒā§°ীāĻ্āώা-āύিā§°ীāĻ্āώা āĻā§°িāĻিāϞ।
One day, because of one failed experiment the baggage car caught fire.
āĻāĻĻিāύ, āĻāĻা āĻŦিāĻĢāϞ āĻĒā§°ীāĻ্āώাā§° āĻŦাāĻŦে āĻŽাāϞāĻŦাāĻšী āĻĄāĻŦাāĻোāϤ āĻুāĻ āϞাāĻিāϞ।
The conductor became angry and threw him off the train.
āĻĒā§°িāĻাāϞāĻāĻāύ⧰ āĻং āĻāĻ িāϞ āĻā§°ু āϤাāĻ ā§°েāϞ⧰ āĻĒā§°া āĻĒেāϞাāĻ āĻĻিāϞে।
This affected his already weak hearing ability.
āĻāϝ়াā§° āĻĢāϞāϤ āϤাā§° āĻāĻā§°ে āĻĒā§°া āĻĻুā§°্āĻŦāϞ āĻļ্ā§°ā§ąāĻŖ āĻļāĻ্āϤিāϤ āĻĒ্ā§°āĻাā§ą āĻĒā§°িāϞ।
Though Al was not good at studies, he was very much interested in reading books.
āϝāĻĻিāĻ āĻāϞ āĻĒāĻĸ়া-āĻļুāύাāϤ āĻাāϞ āύাāĻিāϞ, āϏি āĻিāϤাāĻĒ āĻĒāĻĸ়াāϤ āĻŦāĻšুāϤ āĻāĻ্ā§°āĻšী āĻāĻিāϞ।
He used to read a wide range of books on different subjects.
āϏি āĻŦিāĻিāύ্āύ āĻŦিāώāϝ়ā§° āĻāĻĒā§°āϤ āĻŦāĻšুāϤো āĻিāϤাāĻĒ āĻĒāĻĸ়িāĻিāϞ।
This habit helped him understand various things and also made him curious to know more.
āĻāĻ āĻ āĻ্āϝাāϏে āϤাāĻ āĻŦিāĻিāύ্āύ āĻŦāϏ্āϤু āĻŦুāĻাāϤ āϏāĻšাāϝ় āĻā§°িāĻিāϞ āĻā§°ু āϞāĻāϤে āĻ āϧিāĻ āĻাāύিāĻŦāϞৈ āĻৌāϤূāĻšāϞী āĻā§°ি āϤুāϞিāĻিāϞ।
He also loved to do different experiments.
āϏি āĻŦিāĻিāύ্āύ āĻĒā§°ীāĻ্āώা-āύিā§°ীāĻ্āώা āĻā§°িāĻŦāϞৈāĻ āĻাāϞ āĻĒাāĻāĻিāϞ।
He realized the need for new technology in the world.
āϏি āĻĒৃāĻĨিā§ąীāϤ āύāϤুāύ āĻĒ্ā§°āϝুāĻ্āϤিā§° āĻĒ্ā§°āϝ়োāĻāύীāϝ়āϤা āĻāĻĒāϞāĻŦ্āϧি āĻā§°িāĻিāϞ।
This curiosity and hunger for knowledge eventually made Al one of the greatest scientists of the world has ever known.
āĻāĻ āĻৌāϤূāĻšāϞ āĻā§°ু āĻ্āĻাāύ⧰ āĻোāĻā§° āĻĢāϞāϤেāĻ āĻ ā§ąāĻļেāώāϤ āĻāϞ āĻĒৃāĻĨিā§ąীāϝ়ে āĻāύা āĻāĻাāĻāϤāĻৈ āĻŽāĻšাāύ āĻŦিāĻ্āĻাāύীāϏāĻāϞ⧰ āĻāĻāύ āĻšৈ āĻĒā§°িāϞ।
Al, whom the world knows as Thomas Alva Edison, built his most famous laboratory in Menlo Park, New Jersey, USA, in 1876.
āĻāϞ, āϝাāĻ āĻĒৃāĻĨিā§ąীāϝ়ে āĻĨāĻŽাāĻ āĻāϞāĻা āĻāĻĄিāĻāύ āĻŦুāϞি āĻাāύে, āϤেāĻঁ ā§§ā§Žā§ā§Ŧ āĻāύāϤ āĻāĻŽেā§°িāĻা āϝুāĻ্āϤ⧰াāώ্āĻ্ā§°ā§° āύিāĻ āĻাā§°্āĻিā§° āĻŽেāύāϞো āĻĒাā§°্āĻāϤ āύিāĻā§° āĻāĻাāĻāϤāĻৈ āĻŦিāĻ্āϝাāϤ āĻĒā§°ীāĻ্āώাāĻাā§°āĻো āύিā§°্āĻŽাāĻŖ āĻā§°িāĻিāϞ।
Edison was called the 'Wizard of Menlo Park" because he created two of his greatest works there.
āĻāĻĄিāĻāύāĻ 'āĻŽেāύāϞো āĻĒাā§°্āĻā§° āϝাāĻĻুāĻā§°' āĻŦুāϞি āĻোā§ąা āĻšৈāĻিāϞ āĻাā§°āĻŖ āϤেāĻঁ āϤাāϤ āϤেāĻঁā§° āĻĻুāĻা āĻāĻাāĻāϤāĻৈ āĻĄাāĻā§° āĻā§ąিāώ্āĻাā§° āĻā§°িāĻিāϞ।
There, he invented the phonograph, the first machine that could record the sound of someone's voice and play it back.
āϤাāϤ, āϤেāĻঁ āĻĢ'āύ'āĻ্ā§°াāĻĢ āĻā§ąিāώ্āĻাā§° āĻā§°িāĻিāϞ, āϝিāĻো āĻĒ্ā§°āĻĨāĻŽ āϝāύ্āϤ্ā§° āĻāĻিāϞ āϝিāϝ়ে āĻাā§°োāĻŦাā§° āĻŽাāϤ ā§°েāĻā§°্āĻĄ āĻā§°িāĻŦ āĻĒাā§°িāĻিāϞ āĻā§°ু āĻāϝ়াāĻ āĻŦāĻাāĻŦ āĻĒাā§°িāĻিāϞ।
In 1877, Edison recorded the first words.
ā§§ā§Žā§ā§ āĻāύāϤ āĻāĻĄিāĻāύে āĻĒ্ā§°āĻĨāĻŽ āĻļāĻŦ্āĻĻāĻŦোā§° ā§°েāĻā§°্āĻĄ āĻā§°িāĻিāϞ।
He recited the nursery rhyme "Mary Had a Little Lamb," and the phonograph played the words back to him.
āϤেāĻঁ "āĻŽেā§°ী āĻšেāĻĄ āĻ āϞিāĻāϞ āϞেāĻŽ্āĻŦ" āύাāĻŽā§° āĻļিāĻļু āĻĒāĻĻ্āϝāĻো āĻāĻŦৃāϤ্āϤি āĻā§°িāĻিāϞ, āĻā§°ু āĻĢ'āύ'āĻ্ā§°াāĻĢে āĻļāĻŦ্āĻĻāĻŦোā§° āϤেāĻঁāϞৈ āĻূā§°াāĻ āĻŦāĻাāĻāĻিāϞ।
Then he invented the most famous light bulb there, without which now, we cannot imagine our life.
āϤাā§° āĻĒিāĻāϤ āϤেāĻঁ āϤাāϤ āĻāĻাāĻāϤāĻৈ āĻŦিāĻ্āϝাāϤ āϞাāĻāĻ āĻŦাāϞ্āĻŦāĻো āĻā§ąিāώ্āĻাā§° āĻā§°িāĻিāϞ, āϝাā§° āĻ āĻŦিāĻšāύে āĻāϤিāϝ়া, āĻāĻŽি āĻāĻŽাā§° āĻীā§ąāύ āĻāϞ্āĻĒāύা āĻā§°িāĻŦ āύোā§ąাā§°ো।
But, inventing the light bulb was not an easy task.
āĻিāύ্āϤু, āϞাāĻāĻ āĻŦাāϞ্āĻŦ āĻā§ąিāώ্āĻাā§° āĻā§°াāĻো āĻāĻŽাāύ āϏāĻšāĻ āĻাāĻŽ āύাāĻিāϞ।
Edison and his co-workers experimented and failed a thousand times.
āĻāĻĄিāĻāύ āĻā§°ু āϤেāĻঁā§° āϏāĻšāĻā§°্āĻŽীāϏāĻāϞে āĻĒā§°ীāĻ্āώা-āύিā§°ীāĻ্āώা āĻā§°িāĻিāϞ āĻā§°ু āĻāĻšেāĻাā§°āĻŦাā§° āĻŦিāĻĢāϞ āĻšৈāĻিāϞ।
Only after that, they could become successful.
āϤাā§° āĻĒিāĻāϤāĻšে, āϤেāĻঁāϞোāĻ āϏāĻĢāϞ āĻš'āĻŦ āĻĒাā§°িāĻিāϞ।
The whole world called him a genius.
āĻোāĻেāĻ āĻĒৃāĻĨিā§ąীāϝ়ে āϤেāĻঁāĻ āĻāĻāύ āĻĒ্ā§°āϤিāĻাāĻļাāϞী āĻŦ্āϝāĻ্āϤি āĻŦুāϞি āĻৈāĻিāϞ।
But Edison believed that having an idea is not enough.
āĻিāύ্āϤু āĻāĻĄিāĻāύে āĻŦিāĻļ্āĻŦাāϏ āĻā§°িāĻিāϞ āϝে āĻেā§ąāϞ āĻāĻা āϧাā§°āĻŖা āĻĨāĻাāĻ āϝāĻĨেāώ্āĻ āύāĻšāϝ়।
It takes hard work to turn a dream into reality.
āĻāĻা āϏāĻĒোāύāĻ āĻŦাāϏ্āĻ¤ā§ąāϤ āĻĒā§°িāĻŖāϤ āĻā§°িāĻŦāϞৈ āĻāĻ োā§° āĻĒā§°িāĻļ্ā§°āĻŽā§° āĻĒ্ā§°āϝ়োāĻāύ।
He said, "Genius is 1% inspiration and 99% perspiration."
āϤেāĻঁ āĻৈāĻিāϞ, "āĻĒ্ā§°āϤিāĻা āĻš'āϞ ā§§% āĻ āύুāĻĒ্ā§°েā§°āĻŖা āĻā§°ু ⧝⧝% āĻাāĻŽ (āĻĒā§°িāĻļ্ā§°āĻŽ)।"
Later, Edison built a laboratory in West Orange, USA.
āĻĒিāĻāϞৈ, āĻāĻĄিāĻāύে āĻāĻŽেā§°িāĻা āϝুāĻ্āϤ⧰াāώ্āĻ্ā§°ā§° ā§ąেāώ্āĻ āĻ ā§°েāĻ্āĻāϤ āĻāĻা āĻĒā§°ীāĻ্āώাāĻাā§° āύিā§°্āĻŽাāĻŖ āĻā§°িāĻিāϞ।
It was one of the largest laboratories in the world and as famous as Edison himself.
āĻāĻāĻো āĻĒৃāĻĨিā§ąীā§° āĻ āύ্āϝāϤāĻŽ āĻĄাāĻā§° āĻĒā§°ীāĻ্āώাāĻাā§° āĻāĻিāϞ āĻā§°ু āĻāĻĄিāĻāύ⧰ āĻĻā§°েāĻ āĻŦিāĻ্āϝাāϤ āĻāĻিāϞ।
At night, the laboratory buildings would glow with electric lights while the Wizard with his co-workers turned his dreams into inventions.
ā§°াāϤি, āĻĒā§°ীāĻ্āώাāĻাā§°ā§° āĻā§ąāύāĻŦোā§° āĻŦৈāĻĻ্āϝুāϤিāĻ āĻĒোāĻšā§°ā§°ে āĻিāϞিāĻি āĻāĻ িāĻিāϞ āϝেāϤিāϝ়া āϝাāĻĻুāĻā§°āĻāύে āύিāĻā§° āϏāĻšāĻā§°্āĻŽীāϏāĻāϞ⧰ āϏৈāϤে āύিāĻā§° āϏāĻĒোāύāĻŦোā§°āĻ āĻā§ąিāώ্āĻাā§°āϞৈ ā§°ূāĻĒাāύ্āϤ⧰িāϤ āĻā§°িāĻিāϞ।
Thomas Alva Edison has 1093 patents in his name.
āĻĨāĻŽাāĻ āĻāϞāĻা āĻāĻĄিāĻāύ⧰ āύাāĻŽāϤ ā§§ā§Ļā§¯ā§Š āĻা āĻĒেāĻেāĻŖ্āĻ āĻāĻে।
Apart from the phonograph and the light bulb, Edison invented several other things.
āĻĢ'āύ'āĻ্ā§°াāĻĢ āĻā§°ু āϞাāĻāĻ āĻŦাāϞ্āĻŦā§° āĻāĻĒā§°িāĻ, āĻāĻĄিāĻāύে āĻāύ āĻŦāĻšুāϤো āĻŦāϏ্āϤু āĻā§ąিāώ্āĻাā§° āĻā§°িāĻিāϞ।
He worked on X-rays, storage batteries, and the first talking doll.
āϤেāĻঁ āĻāĻ্āϏ-ā§°ে, āώ্āĻ'ā§°েāĻ āĻŦেāĻাā§°ী, āĻā§°ু āĻĒ্ā§°āĻĨāĻŽ āĻāĻĨা āĻোā§ąা āĻĒুāϤāϞাā§° āĻāĻĒā§°āϤ āĻাāĻŽ āĻā§°িāĻিāϞ।
At West Orange, he also worked on one of his greatest ideas, "movies."
ā§ąেāώ্āĻ āĻ ā§°েāĻ্āĻāϤ, āϤেāĻঁ āύিāĻā§° āĻ āύ্āϝāϤāĻŽ āĻĄাāĻā§° āϧাā§°āĻŖা, "āĻāϞāĻ্āĻিāϤ্ā§°"-ā§° āĻāĻĒā§°āϤো āĻাāĻŽ āĻā§°িāĻিāϞ।
With his inventions, Thomas Alva Edison changed the way of living our lives.
āύিāĻā§° āĻā§ąিāώ্āĻাā§°ā§° āĻā§°িāϝ়āϤে āĻĨāĻŽাāĻ āĻāϞāĻা āĻāĻĄিāĻāύে āĻāĻŽাā§° āĻীā§ąāύ āϝাāĻĒāύ⧰ āϧ⧰āĻŖ āϏāϞāύি āĻā§°ি āĻĻিāĻিāϞ।
We are still getting the benefits from his inventions.
āĻāĻŽি āĻāϤিāϝ়াāĻ āϤেāĻঁā§° āĻā§ąিāώ্āĻাā§°ā§° āĻĒā§°া āϞাāĻā§ąাāύ āĻšৈ āĻāĻোঁ।
This science wizard died on October 18, 1931, at the age of 84.
āĻāĻ āĻŦিāĻ্āĻাāύ⧰ āϝাāĻĻুāĻā§°āĻāύ⧰ ā§§ā§¯ā§Šā§§ āĻāύ⧰ ā§§ā§Ž āĻ āĻ্āĻোāĻŦā§°āϤ ā§Žā§Ē āĻŦāĻā§° āĻŦāϝ়āϏāϤ āĻŽৃāϤ্āϝু āĻšāϝ়।
2. Word Meanings (āĻļāĻŦ্āĻĻাāϰ্āĻĨ)
3. Comprehension Solutions
a) When was Al born?
Ans: Al was born on 11 February 1847.
b) What did Al's mother teach him?
Ans: Al's mother taught him reading, writing, and arithmetic.
c) What is Al's full name?
Ans: Al's full name is Thomas Alva Edison.
d) Where did Edison build his most famous laboratory?
Ans: Edison built his most famous laboratory in Menlo Park, New Jersey, USA.
e) Who was called the 'Wizard of Menlo Park'?
Ans: Thomas Alva Edison was called the 'Wizard of Menlo Park'.
f) Who invented the light bulb?
Ans: Thomas Alva Edison invented the light bulb.
g) When did Edison record the first words?
Ans: Edison recorded the first words in 1877.
a) Q: Al learned to be ........ at a young age.
Ans: Al learned to be independent at a young age.
b) Q: There he used to conduct ........ experiments.
Ans: There he used to conduct chemical experiments.
c) Q: Edison has 1093 ........ in his name.
Ans: Edison has 1093 patents in his name.
d) Q: Edison experimented and ........ a thousand times.
Ans: Edison experimented and failed a thousand times.
e) Q: He worked on the first ........ doll.
Ans: He worked on the first talking doll.
- a) Edison could not do well in his studies. → True
- b) Edison started selling newspaper at the age of 13. → False
- c) Al was interested in reading books. → True
- d) It takes hard work to turn a dream into reality. → True
4. Activities Solutions & Grammar
Grammar Tip: Using Prepositions correctly
Remember: We use 'in' for months and general locations (in July, in the room). We use 'on' for surfaces (on the table). We use 'at' for specific times and points (at night, at the door).
- a) He is sitting on a sofa.
- b) Hridoy is coming from the market.
- c) I am going to Shillong tomorrow.
- d) The sky is over my head.
- e) He was born in July.
- f) Bhaswati is in the classroom.
- g) The chair is made of wood.
- h) Curd is made from milk.
- i) He came in the morning.
- j) We see stars at night.
- a) He is in the room.
- b) I am going to the market.
- c) The book is on the table.
- d) The bird is in the tree.
- e) Flowers bloom in spring.
- f) He is walking along the road.
- g) The lady is sitting in the armchair.
- h) The girl is holding an umbrella over her head.
- i) The cat is sitting under the chair.
Recipe: Mango Milkshake
• 1 or 2 ripe mangoes chopped into small pieces.
• 1 and 1/2 cup of fresh milk.
• 2 scoops of vanilla ice cream.
• 1 teaspoon sugar.
Steps:
At first pour the milk into the blender jar. Then add all the other ingredients like the chopped mangoes, the ice cream, and the sugar. Now blend them nicely for at least one minute. Our mango milkshake is ready to serve. Pour it into a beautiful serving glass.
5. Build Up Your Vocabulary
Scientific Terms and Tools (āĻŦৈāĻ্āĻাāύিāĻ āϏঁāĻুāϞি āĻā§°ু āĻļāĻŦ্āĻĻ)
6. FAQs on the Chapter
Q. Who is known as the "Wizard of Menlo Park"?
Ans: Thomas Alva Edison is famously known as the "Wizard of Menlo Park" because he made some of his greatest inventions (like the phonograph and light bulb) in his laboratory located in Menlo Park, USA.
Q. What was the famous quote given by Thomas Alva Edison regarding success?
Ans: Thomas Alva Edison believed strongly in hard work. His famous quote is: "Genius is 1% inspiration and 99% perspiration."
Q. Why did Edison's mother take him out of school?
Ans: Edison's mother took him out of school after just 12 weeks because his teachers thought he was a slow learner and too stupid to learn anything. Being a teacher herself, she decided to homeschool him.
Final Thoughts
The story of Thomas Alva Edison teaches us that no matter what others say, with curiosity, dedication, and immense hard work, anyone can achieve greatness! We hope these Assam Jatiya Bidyalay Class 4 English Lesson 13 notes have been helpful. Keep learning, keep experimenting, and if you have any questions, feel free to drop a comment below!
PoraGhar Axom