Across
- 4. the process of moving from one physical state to another, for example, melting
- 10. the lowest temperature that is theoretically possible, equivalent to – 273.15 °C
- 11. change, such as a change in state, that does not result in new substances being made
- 12. the unit of pressure; 1 Pa is equal to 1 N/m2 (Pa)
- 13. a measure of the average kinetic energy of the particles in a material. It does not depend on the amount of the material that you have
- 15. a unit of temperature (K)
Down
- 1. the energy required to raise the temperature of 1 kg of a substance by 1 K (J/kgK)
- 2. the energy of a system because of the arrangement and movement of particles in it
- 3. a unit of temperature (°C)
- 5. the unit of energy
- 6. the amount of space an object takes up, usually measure in m3
- 7. process in which substances react to form different substances
- 8. the pressure exerted by as gas due to the collisions of the particles in the gas with the container
- 9. mass/volume, usually measured in kg/m3
- 14. the amount of matter, usually measure in kilograms