Задания к тексту Electricity (history) (1, 2, 3)

Exercise 1

     Ответьте на вопросы:

  1. Who was the first physicist to describe the first machine for producing an electric charge?
  2. What was the name of the first scientist who made clear the two different types of electric charge?
  3. Who proved the identity of the atmospheric electricity with the electrostatic charge on a Leyden jar?
  4. What is the British chemist Joseph Priesley is famous for?
  5. Who was responsible for the theory of electric lines of force?
  6. What kids of an experiment related to electric current did Italian physicists Luigi Galvani and Allesandro Volta conduct?
  7. Does the magnetic field exist around the electric current?
  8. Who proved the fact of the magnetic field’s existence around the current?
  9. Do electric circuits obey the law of the conservation of energy?
  10. Who proved that the electricity is a form of energy?
  11. What contributions to the study of electricity James Clerk Maxwell and Heidrik Rudolf Hertz did?
  12. What are the names of American engineers and inventors who pioneered the widespread use of electricity as a source of power?

 

     Exercise 2

     Найдите в тексте английские эквиваленты следующих слов и выражений:

 

     Электрический заряд;  два различных типа;  положительный;  отрицательный;  эксперимент;  исследования в области электричества;  атмосферное электричество;  молния;  электростатический заряд;   избыток;  недостаток;   сила;  квадрат расстояния; распределять;  измерять;  наблюдения;   теория электрических линий; искусственный;  электрохимический источник;  электрические волны;  теория электронов;  основа современной электрической теории.

 

     Exercise 3

     Закончите предложения подходящими по смыслу словосочетаниями:

  1. The first machine for producing an electric    a) James Watt

Charge was described by …                               b) Alfred Nobel

                                                                                      c) Otto von Guericke

2.  There are two different types of electric         a) soft and hard

     charge …                                                         b) negative and positive

                                                                              c) black and white

  1. An electric charge distributes itself                 a) hollow metal sphere

Uniformly over the surface of …                    b) flat piece of wood

                                                                         c) a Leyden jar

4.  A magnetic field exists around …                   a) storage battery

                                                                              b) electric current flow

                                                                              c) the neighborhood

5.  Electric circuits obey the law of …                 a) gravitation

                                                                              b) energy conservation

                                                                              c) Newton

  1. The properties of electromagnetic waves        a) controversial

and light are …                                                b) negative

                                                                              c) identical

  1. The widespread use of electricity as a             a) Albert Einstein

source of power is largely due to the               b) Thomas Edison

work of …                                                        c) Nicola Tesla