Balbharati solutions for माय अंग्रेजी कोर्सबुक [मराठी] कक्षा १० महाराष्ट्र राज्य बोर्ड chapter 4.6 - A Brave Heart Dedicated to Science and Humanity [Latest edition]

Have you ever participated in or visited a science exhibition?

Did you observe/learn any new things there? What are those?

Scientists have to work very hard and make many sacrifices for years, to achieve success in their experiments. Why?

What is the difference between a discovery and an invention?

Discuss in pairs/groups about the precautions one has to take while working in a science laboratory. Write them in the form of Dos and Don’ts.

Study the underlined Predicate given below and note the difference:

I met Debbie.

Study the underlined Predicate given below and note the difference:

We study Grammar. 

Study the underlined Predicate given below and note the difference:

He became tired.

Study the underlined Predicate given below and note the difference:

They are hungry.

Study the underlined Predicate given below and note the difference:

She spoke softly.

Study the underlined Predicate given below and note the difference:

They live here.

Study the underlined Predicate given below and note the difference:

He turned early.

Mention whether the Predicate in the following sentence contains an Object or Complement or Adverbial after the verb.

He looked upwards.

Mention whether the Predicate in the following sentence contains an Object or Complement or Adverbial after the verb.

My brother is injured. 

Mention whether the Predicate in the following sentence contains an Object or Complement or Adverbial after the verb.

We scored a goal.

Mention whether the Predicate in the following sentence contains an Object or Complement or Adverbial after the verb.

We beat the opponents.

Mention whether the Predicate in the following sentence contains an Object or Complement or Adverbial after the verb.

She answered perfectly.

Mention whether the Predicate in the following sentence contains an Object or Complement or Adverbial after the verb. 

The guests arrived early.

Mention whether the Predicate in the following sentence contains an Object or Complement or Adverbial after the verb.

I shall be happy.

Mention whether the Predicate in the following sentence contains an Object or Complement or Adverbial after the verb.

You wrote the address.

Write in one sentence each, why the following years were landmarks in the lives of Pierre and Marie Curie.

1. 1895 __________________
2. 1902 __________________
3. 1903 __________________
4. 1906 __________________
5. 1911 __________________

Complete the web diagram with the qualities of Madame Curie.

Two discoverers of new lands

Two conquerers of the peak of Mt. Everest

Original name of Madame Curie

Her place of birth

Subjects Marie majored in, at the University of Paris

Nationality of her husband Pierre

Scientist who discovered the properties of uranium

Two radio- active elements discovered by Curies

Read the text carefully and match the incidents occurred in Madam Curie’s life given in table A with the years in table B.

What common characteristics did Marie and Pierre share, as students?

Which of the two scientists was greater than the other? Say why?

Why was the gift of a ton pitchblende, a great stroke of luck, to the Curies?

Besides the uses of radium and polonium mentioned in the text, in what other way, do you think, it is used in the field of medicine?

What proves that Marrie Curie was a true lover of humanity and not a wealth?

Find words/phrases from the text that are synonyms of the word ‘brave’.

Read and understand the following word. Find out/search for proverb/thought/quote/slogan that is related to them.

Courage

Read and understand the following word. Find out/search for proverb/thought/quote/slogan that is related to them.

Strength of character

Read and understand the following word. Find out/search for proverb/thought/ quote/slogan that is related to them.

Determination

Read and understand the following word. Find out/search for proverb/thought/quote/slogan that is related to them.

Hard-work

Match the branches of Science with what fields they study :

Imagine that your school needs some Scientific equipments, apparatus, and formulae charts for the laboratory. Being the in- charge of Science Committee, write a letter to the Headmaster of your school suggesting him some Scientific equipments and apparatus required for Standard X Science practicals. Take help of the information given below to complete your letter.

‘There is no short- cut to success’.
Expand this maxim with a suitable introduction, body with examples, and conclusion. Write it in your notebook in about 20 lines.

The life and work and inventions of Marie Curie are given in detail in the text. Go to your library or search on internet at least five famous scientists who have given great inventions to the world and write about them or prepare a chart showing the information about them.

Pick out the Prefixes and Suffixes from the following words and find the root word:

Say whether the Predicate in the sentence below contain Object/Complement/Adverbial.

Madame Curie discovered radium.

Say whether the Predicate in the sentence below contain Object/Complement/Adverbial.

Pierre was knocked down.

Say whether the Predicate in the sentence below contain Object/Complement/Adverbial.

Pitchblende was expensive.

Say whether the Predicate in the sentence below contain Object/Complement/Adverbial.

The couple took a flat.

Say whether the Predicate in the sentence below contain Object/Complement/Adverbial.

They moved cautiously, success came finally.

Pick out the Conjunction in the following sentence and say whether they are Subordinator or Co-ordinator.

There are women who show extreme courage.

Pick out the Conjunction in the following sentence and say whether they are Subordinator or Co- ordinator.

Pitchblende was an extremely expensive substance, so they could not afford to buy.

Pick out the Conjunction in the following sentence and say whether they are Subordinator or Co-ordinator.

After her daily household work, Marie settled down to study

Pick out the Conjunction in the following sentence and say whether they are Subordinator or Co-ordinator.

Marie wanted to study in Paris but her father could not afford it.

Pick out the Conjunction in the following sentence and say whether they are Subordinator or Co-ordinator. 

History is full of chapters that tell of extraordinary people!