Across
- 2. The substances that are formed as a result of a chemical reaction.
- 5. The transfer of heat energy through electromagnetic waves, such as light or infrared radiation.
- 7. The energy an object possesses due to its motion.
- 11. The transfer of heat energy through a material or between materials that are in direct contact with each other.
- 13. The study of the relationship between chemical reactions and heat energy.
- 15. The SI unit of energy, equal to the work done when a force of one newton is applied over a distance of one meter.
- 18. The starting materials in a chemical reaction that undergo a change to form products.
- 19. The amount of heat energy required to raise the temperature of a unit mass of a substance by one degree Celsius or one Kelvin.
Down
- 1. The amount of heat energy required to convert a substance from a liquid to a gas at constant temperature and pressure.
- 3. The transfer of heat energy by the movement of a fluid, such as air or water, from one place to another.
- 4. The amount of heat energy required to raise the temperature of one gram of water by one degree Celsius.
- 6. The SI unit of temperature, equal to the Celsius temperature plus 273.15 degrees.
- 8. A chemical reaction or process that releases heat energy into its surroundings.
- 9. A chemical reaction or process that absorbs heat energy from its surroundings.
- 10. The part of the total energy of a system that is related to its temperature and represents the sum of the kinetic energy and potential energy of its particles.
- 12. The unit of temperature based on the freezing and boiling points of water.
- 14. The measurement of heat energy transferred during a chemical or physical change.
- 16. The energy transferred between objects that are at different temperatures.
- 17. The amount of heat energy required to convert a substance from a solid to a liquid at constant temperature and pressure.