Exercise III. Fill in the correct word(s) from the list below. Use the words only once:
| physical | boundary |
| property | form |
| force | systematic |
| Earth | inorganic |
| link | broad |
| 1. .. of molecule | 6. ..... . of nature |
| 2. .. area | 7. ...... .. study |
| 3. .... property | 8. ... .. of energy |
| 4. strong .. . | 9. ... world |
| 5. .. between sth. | 10. ... .. science |
Exercise IV. Decide which of the following words and word combinations are connected with: a). chemistry; b). physics
| Molecule, radiation, energy, distillation, structure, heat, reaction, laser, specific properties, inorganic science, filtration, compounds, force of nature, acoustics, substance, atom, vaporization, general properties, quantum mechanics, crystallization, dynamics. |
Exercise V. Answer the following questions to check your understanding of the text:
1. How many broad areas does physical science consist of?
.. .............
2. What is the study of the organic world?
.. .............
3. When was physics, in its modern sense, founded?
.. .............
4. What is the main feature of synthesis of mechanics, optics, acoustics, electricity, magnetism, heat, and the physical properties of matter?
.. .............
5. What is the main difference between physics and chemistry?
.. .............