Ch.18 Thomas Alva Edison

CLASS 7 • ENGLISH

Chapter 18: Thomas Alva Edison

Complete Textbook Solutions

A. Multiple Choice Questions

1. Thomas Alva Edison was born on 11th February:

1827
1837
1847

Answer: iii. 1847

2. One way of sending messages is to send them by wire. This is called:

Telegraphy
Mobile phone
None of these

Answer: i. Telegraphy

B. Answer the Following Questions

1. When did he die?

Thomas Alva Edison died on 18th October 1931, at the age of eighty-four.

2. What was the name of his newspaper?

His newspaper was called The Grand Trunk Herald.

3. Why did he go to New York?

He went to New York in search of work.

4. When did he move to West Orange?

He moved to a larger laboratory in West Orange, New Jersey, in 1887.

5. Where was Edison born?

Edison was born in Milan, Ohio, in the USA.

6. What did the boy’s father teach him?

The station master taught Edison telegraphy.

7. Where did he set up his second laboratory?

He set up his second laboratory in the luggage van of a train.

C. Fill in the Blanks

In 1887, he moved to a larger laboratory in West Orange, New Jersey.
The following year, Edison went to New York in search of work.
He began to earn money at the small age of twelve.
At that time, a new railway line was opened by the Grand Trunk Railway from Port Huron to Detroit.
Thomas Alva Edison was born at Milan, Ohio, in the USA.

D. Words in Use

Question: List these words in the order in which you find them in a dictionary. Then look up their meanings and make sentences with the words.

Dictionary order: Belch, Inferior, Itchy, Malicious, Modest, Spotless, Ticklish, Twitch.

1. Belch

Meaning: To release gas noisily from the stomach through the mouth.

Sentence: He tried to cover his mouth after a loud belch.

2. Inferior

Meaning: Lower in quality, value or standard.

Sentence: We should not think that someone is inferior because of their background.

3. Itchy

Meaning: Causing an uncomfortable feeling that makes a person want to scratch.

Sentence: The woollen sweater felt itchy against my skin.

4. Malicious

Meaning: Intending to hurt or harm someone.

Sentence: We should not spread malicious rumours about others.

5. Modest

Meaning: Not boastful; simple and humble.

Sentence: Despite his success, the scientist remained modest.

6. Spotless

Meaning: Completely clean, without any spots or stains.

Sentence: She kept her classroom spotless.

7. Ticklish

Meaning: Easily made to laugh or squirm by light touches.

Sentence: My little brother is very ticklish.

8. Twitch

Meaning: To make a sudden, small movement.

Sentence: His eye began to twitch when he was tired.

Listening

Meena: Why do you frown? When you frown, you get back a frown!

Mukesh: You look beautiful with your smile.

Meena: Imagine, a smile can bring so much happiness.

Mukesh: Her smile looks beautiful. Let me smile back at her.

Meena: Remember! Smile even when you see a frown. It makes everyone happy.

Grammar: Present Perfect Tense

Structure: Subject + has/have + past participle (V3).

A. Things Nimesh Has Done and Has Not Done

No.	Task	Answer
1	Do yesterday’s homework. (✓)	Nimesh has already done his homework.
2	Clean the bookshelf. (✓)	Nimesh has already cleaned the bookshelf.
3	Write to grandmother. (✗)	Nimesh has not written to his grandmother yet.
4	Read the headlines in today’s paper. (✓)	Nimesh has already read the headlines in today’s paper.
5	Help his mother with dinner. (✗)	Nimesh has not helped his mother with dinner yet.
6	Help his father clean the home. (✗)	Nimesh has not helped his father clean the home yet.
7	Watch the match on TV. (✓)	Nimesh has already watched the match on TV.
8	Go to the library. (✗)	Nimesh has not gone to the library yet.
9	Do yoga. (✗)	Nimesh has not done yoga yet.
10	Buy a present for Uncle Umesh. (✓)	Nimesh has already bought a present for Uncle Umesh.

B. Write a Sentence to Describe the Situation

1. Mr Sharma asked me my name yesterday. He does not remember it now. (forget)

Mr Sharma has forgotten my name.

2. Mithun cannot walk. His leg is in a cast. (break)

Mithun has broken his leg.

3. This morning my father was expecting a parcel. He has it now. (arrive)

The parcel has arrived.

4. Seema is walking to school now. She goes to school by bus every day. (miss)

Seema has missed the bus.

5. The mirror in my room was dirty. It is clean and shining now. (clean)

I have cleaned the mirror.

6. There were many gaps in the fence. Now there are no gaps in the fence. (repair)

They have repaired the fence.

C. Fill in the Blanks with the Present Perfect Tense

She has finished her homework. (finish)
He has lost his new pen. (lose)
Seema has worked on this project. (work)
They have constructed the bridge on the river Ganga. (construct)
Tina has read this book. (read)
Arnav has resigned from his job. (resign)
The guests have arrived. (arrive)
The train has left; you are late. (leave)
We have washed all the clothes. (wash)
Grandfather has gone for a walk. (go)