B. Order the followings from 'oldest to newest'.

camera, light bulb, telephone, airplane

A. Match the pictures with the words.

scientists, a laboratory, a building

B. Choose an appropriate adjective for each word above.

modern building, Iranian scientists, old laboratory

medicine, famous, build, Believe me!, Cool!

Roya and Mahsa are leaving the library.

Roya: When I came in, you were reading a book. What was it?

Mahsa: I was reading a book about famous Iranian scientists.

Roya: But such books are not very interesting.

Mahsa: At first I had the same idea, believe me!

Roya: Did you find it useful?

Mahsa: Oh yes. Actually I learned many interesting things about our scientists' lives.

Roya: Like what?

Mahsa: For example Razi taught medicine to many young people while he was working in Ray Hospital. Or Nasireddin Toosi built Maragheh Observatory when he was studying the planets.

Roya: Cool! what was the name of the book?

Mahsa: Famous Iranian Scientists.

Answer the following questions orally.

1. Were Mahsa and Roya in a laboratory? No, they were leaving a library.

2. Who came to the library sooner, Mahsa or Roya? Mahsa came to the library sooner.

3. Do you know any interesting story about famous scientists? Yes, I know.

Human knowledge develops with scientists' hard work

Many great men and women try hard to find facts, solve problems and invent things.

Some of these scientists did not have easy lives.

But they tried hard when they were working on problems.

They never felt weak when they were studying.

They never gave up when they were doing research.

There are great stories about scientists and their lives.

One such a story is about Thomas Edison.

As a young boy, Edison was very interested in science.

He was very energetic and always asked questions.

Sadly, young Edison lost his hearing at the age of 12.

He did not attend school and learned science by reading books in the library himself.

When he grew up he worked in different places, but he never lost his interest in making things.

Edison was famous for doing thousands of experiments to find answers to problems.

He said, "I never quit until I get what I'm after".

Edison had more than 1,000 inventions and was very successful at the end of his life.

Many great names had stories like this.

But the key to their success is their hard work and belief in themselves.

If you want to get what you want, work hard and never give up.

A. Choose the best answer.

1) Where did Edison learn science?

a) In the library b) At school c) In the laboratory

2) How did Edison find answers to problems?

a) By sleeping in the laboratory b) By doing many experiments. c) By quitting what he was after.

3) Which is not true about scientists?

a) They find facts. b) They invent things. c) They feel weak.

1- Edison finally lost his interest in inventing things. False

2- Edison did not attend school at all. False

3- Hard work is the key to scientists’ success. True

C. Match two halves.

I. After Edison lost his hearing. he did not quit studying.

2. When scientists were working on problems they did not give up.

3. If you like to be successful you must not feel weak.

d. he became a famous person

A. Read the following texts.

Tahereh Saffarzadeh was an Iranian writer, translator and thinker.

When other kids were still playing outside, she learned reading and reciting the Holy Quran at the age of 6.

As a young student, she was working very hard to learn new things.

She also was writing poems at that time.

She published her first book while she was still studying in the university.

She got interested in translating the Holy Quran when she was studying and teaching translation.

She published her translation of the Holy Quran in 1380.

Saffarzadeh passed away in 1387.

Alexander Fleming was a great researcher.

He was doing research in his laboratory in winter 1928.

He was trying to find a new medicine to save people's lives.

He found a new medicine when he was working on antibiotics.

This was the amazing penicillin.

Many other doctors were also working on this medicine in those days.

They helped the first patient with penicillin in 1942 when the flu was getting around.

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