Across
- 2. energy/Energy from the motion.
- 5. energy resources/Energy resources that can not make it again.
- 9. resists the sliding of two surfaces that are touching.
- 10. transmission of thermal energy from one material to another electromagnetic waves.
- 12. energy resource/Energy resource can not be used up.
- 14. engine/A machine that converts thermal energy into mechanical energy.
- 15. machine that uses electric energy to transfer thermal energy from cooler to warmer.
- 17. energy/Energy from the motion of particles make up an object.
- 18. device regulates the temperature of a system.
- 19. fuels/Remains of the ancient time that can use to be as a energy source.
Down
- 1. energy/Stored energy to the interactions between objects and particles
- 3. energy resource/An energy resources that can use it again.
- 4. transmission of thermal energy by the movement of particles from one part of a material to another.
- 6. transfer of thermal energy between materials by the impact of particles.
- 7. ability to cause change.
- 8. the average kinetic of particle make up a merial.
- 11. movement of thermal energy a warmer energy to a cooler energy.
- 13. energy/Energy stored the nucleus of an atom.
- 16. energy/Total energy of an object due to large-scale motions and interactions.