Across
- 2. movement of thermal energy from a warmer object to a cooler object
- 6. sum of the kinetic energy and the potential energy of all the particles that make up an object
- 8. device that converts electric energy into thermal energy
- 9. material through which thermal energy does not flow easily
- 10. decrease in a material’s volume when the temperature is decreased
- 11. current movement of fluids in a cycle because of convection
- 14. increase in a material’s volume when the temperature is increased
- 15. stored energy
- 16. space that contains little or no matter
- 17. amount of thermal energy it takes to increase the temperature of 1 kg of material by 1°C
- 18. a device that regulates the temperature of a system
Down
- 1. represents the average kinetic energy of the particles that make up a material
- 3. material through which thermal energy flows easily
- 4. device that uses electric energy to pump thermal energy from a cooler location to a warmer location
- 5. transfer of thermal energy from one material to another by electromagnetic waves
- 7. the energy an object or particle has because it is moving
- 8. machine that converts thermal energy into mechanical energy
- 12. transfer of thermal energy between materials because of collisions between particles
- 13. transfer of thermal energy by the movement of particles from one part of a material to another