Топик по английскому языку "Physics"

Physics

1. Physics is one of the most ancient sciences about nature.

2. The word "physics" takes its origin from the Greek word "phewsis" meaning nature.

3. The development of other sciences depends in many respects on the knowledge of physical phenomena.

4. Physics studies various phenomena in nature: mechanical motion, heat, sound, electricity, magnetism and light.

5. Physics divides itself very naturally into two great branches, experimental physics and theoretical physics.

6. The former is the science of making observations and devising experiments

7. On the basis of experimental facts theoretical physics formulates laws and predicts the behaviour of natural phenomena

8. Physics is divided into half a dozen or more different fields — mechanics, sound, heat, electricity and magnetism, light, molecular, atomic and nuclear physics.

9. These different fields are not distinct but merge into each other.

10. Every substance саn be divided into particles known as molecules

11. Matter can exist in four states: solid, gas, liquid and plasma.