2. The two principal forms of kinetic energy are known as translation and rotational. Две основные формы кинетической энергии известны как поступательная и вращательная
1. The two branches of physics are known as experimental and theoretical physics.
2. The four states of matter are known as solid, gas, liquid and plasma.
3. The three principal types of forces are known as gravitational, friction and viscous forces.
4. The two principal types of substances in solution are known as colloids and crystalloids.
5. The two types of solids are known as “true” and amorphous
Pattern 3. Kinetic energy is possessed by an object by virtue of its motion. Кинетической энергией обладает объект в силу своего движения.
1. Rotational energy is possessed by an object by virtue its revolution about an axis.
2. Potential energy is possessed by an object by virtue its position.
3. Heat energy is possessed by an object by virtue its temperature.
4. Electrical energy is possessed by an object by virtue its gaining or losing some electric charge.
5. Chemical energy is possessed by an object by virtue the chemical reaction.
1.7. Найдите предложение, содержание которого не соответствует теме и смыслу текста.
Ответы выделен полужирным курсивом
1. Physicists classify energy into several types: kinetic, potential, heat, sound, radiant energy and electrical, chemical and nuclear energy.
2. Sound can be considered as a special form of kinetic energy.
3. The splitting process is known as nuclear fission.
4. Some companies produce devices that are already powered by solar energy.
5. Chemical energy is possessed by substances that undergo a chemical reaction, such as combustion
1.8. Найдите перевод терминов из текста
1. gravitational energy
2. kinetic energy
3. heat energy
4. radiant energy
5. electrical energy
6. chemical energy
7. nuclear energy
8. electric and magnetic fields
9. to exist in the absence of matter
10. испускают избыточную энергию в виде излучения release of enormous amounts of energy in the form of heat, light, and radioactivity
11. vibrations in the molecules of the medium
12. приобретать или терять электрический заряд
13. an electric current
14. the principle of conservation of energy
1.9. Переведите выражения из текста на русский язык письменно
1. the ability to do work ____________________________________________
2. to classify energy _________________________________________________
3. by virtue of its motion __________________________________________
4. to accelerate the object to a particular velocity ________________________
5. the temperature depends on the motion ___________________________
6. ultraviolet radiation _____________________________________________
7. visible light ____________________________________________________
8. the movement of charges _________________________________________
9. nuclear fission ___________________________________________________
10. nuclear fusion ___________________________________________________
11. the emission of atomic particles _____________________________________
1.10. Заполните пропуски терминами, данными в конце упражнения
1. Energy can be defined as the _____ to do work.
2. Kinetic energy is possessed by a _____ object by virtue of its motion.
3. Sound energy consists of moving waves of _____ in a medium such as air, water, or metal.
4. The movement of charges constitutes an _____ _____, which flows between two objects at different potentials when they are joined by a _____.
5. The splitting process is known as nuclear _____, the joining together as nuclear _____.
_____________________________________________________________________
Pressure; ability; moving; fission; fusion; conductor; electrical energy.
1.11. Дайте ответы на вопросы по теме:
1. What is energy?
2. What types of energy do you know?
3. Is
