Задания к тексту Electricity (history) (1, 2, 3)
Exercise 1
Ответьте на вопросы:
- Who was the first physicist to describe the first machine for producing an electric charge?
- What was the name of the first scientist who made clear the two different types of electric charge?
- Who proved the identity of the atmospheric electricity with the electrostatic charge on a Leyden jar?
- What is the British chemist Joseph Priesley is famous for?
- Who was responsible for the theory of electric lines of force?
- What kids of an experiment related to electric current did Italian physicists Luigi Galvani and Allesandro Volta conduct?
- Does the magnetic field exist around the electric current?
- Who proved the fact of the magnetic field’s existence around the current?
- Do electric circuits obey the law of the conservation of energy?
- Who proved that the electricity is a form of energy?
- What contributions to the study of electricity James Clerk Maxwell and Heidrik Rudolf Hertz did?
- 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:
- 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
- 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
- The properties of electromagnetic waves a) controversial
and light are … b) negative
c) identical
- 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