Across
- 4. device that measures temperature
- 7. an important tool for chemists, because it allows them to classify chemical elements (8; 5;)
- 8. the tendency of a liquid to flow smoothely, that is its resistance to flowing
- 11. the temperature at which a liquid begins to boil (7; 5;)
- 12. a force attracting a body towards the centre of the Earth or towards any other physical body-having mass
- 13. one of the most commune state of matter, with definite volume but not definite shape
- 14. a compound of variable formulas or rations of its components
Down
- 1. one of the general categories of energy, the energy of motion
- 2. the smallest part of an element
- 3. the phase transition from solid to liquid
- 5. the third planet in the solar system
- 6. a group of two or more atoms bonded together
- 9. the star in the solar system
- 10. the phase transition from liquid to solid