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Exercise 61. Now complete the definitions (1-11) below with the units from Exercise 2 and the people in the box

Andre Marie Ampere (1775-1836) ■ Anders Celsius (1701-1744) Marie Curie (1867-1934) ■ Heinrich Hertz (1857-1894) ■ James Prescott Joule (1818-1889) «Lord Kelvin (1824-1907) ■ Georg Simon Ohm (1787-1854) «Blaise Pascal (1623-1662) ■ Sir Isaac Newton (1643-1727) ■ Count Alessandro Volta (1745-1827) «James Watt (1736-1819).

1. A _________is a unit of pressure equal to onenewton per square metre. It's named after _____a French scientist.

2. A ________ is a unit of force. It`s named after ________ an English mathematician.

3. _______ is the temperature scale that has the freezing point of water as 0° С and the boiling point as 100° C. The scale was developed by a Swedish astronomer, ________.

4. A_______ _________ is an amount of electric power. It is equal to one joule per second. It's named after _______, a Scottish engineer and inventor.

5. A ______ is a unit of electric force. It's named after _____ an Italian physicist and pioneer in the study of electricity.

6. An________ is a unit of electric current. It's named after _____ a French mathematician and physicist, a pioneer in electrodynamics.

7. An________ is a unit of electrical resistance named after _______a German physicist.

8. A ________ a unit of energy named after _______ a British physicist.

9. ______ is the temperature scale that registers absolute zero (-273.15 C) as 0°K. It's named after _______ a British scientist.

10. A ______ is a frequency equal to one cycle per second. It's named after ___ a German physicist.

11. A______ is a unit of radioactivity. It's named after ____ a Polish-born chemist who discovered radioactivity in several elements.

Exercise 62. Read the definitions in Exercise 3 again. Find words that mean:

1. studies the elements and their compounds

2. studies the universe

3. studies the physical properties of materials

4. thinks of new machines

5. develops new ideas about a subject

Exercise 63. Find out which things in this list are named after people. Can you add similar words from your language?

• Mouse (for a computer)

• Bunsen (burner)

• Diesel

• Geiger (counter)

• Laboratory

• Morse (code)

• Tarmac

• Text(book)

Part 14. Выдающиеся учёные прошлого

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