Across
- 3. study of heat and energy related to various physical transformations and chemical reactions
- 5. unit of work or energy
- 9. amount of heat needed to an lignin into vapor
- 11. metric unit of temperature
- 14. the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases
- 17. used to measure amounts of heat transferred to or from a substance
- 18. a temperature scale based on molecular motion
- 19. energy that comes from a source and travels through space at the speed of light
Down
- 1. the elements created in the end of a reaction
- 2. amount of heat needed to turn a solid into a liquid
- 4. heat energy
- 6. a process which heat is transferred by movement of a heated fluid such as air or water
- 7. the quantity of heat absorbed per unit mass of the material when its temperature increases
- 8. energy in motion
- 10. a reaction followed by the release of heat
- 12. the substances that react in a chemical reaction
- 13. a measurement of the energy content of food
- 15. a reaction followed by the absorption of heat
- 16. the process when heat energy is transmitted through collisions between atoms or molecules