Across
- 1. a type of flask that is good at keeping your drink hot or cold
- 3. in double glazing a layer of this is a good insulator
- 5. a regular arrangement of particles
- 9. metals contain free……………that help transfer heat energy
- 12. this travels from hot to cold
- 13. this occurs at 100 degrees for water
- 14. the colour that is a good absorber and emitter of heat radiation
- 17. how heat is transferred in solids
- 20. a device for measuring temperature
- 23. the process by which sweat cools us down
- 24. how heat travels through the vacuum of space
- 25. the name for a picture taken with an infrared camera
- 27. an alternative unit of temperature
- 29. when two regions are at the same temperature we say they are in thermal………
Down
- 2. when hot air rises then sinks again it forms a convection…………….
- 4. the state of matter with the fastest moving particles
- 6. what decreases when a substance gets hotter
- 7. the term for when a solid turns into a liquid
- 8. copper is an example of a good …………………….
- 10. the kind of surface that is poor at absorbing and emitting heat radiation
- 11. the larger the………….the more heat energy will be needed to increase it’s temperature
- 15. how heat is transferred in liquids and gases
- 16. when a substance turns to solid this is called…….
- 18. this does not change when a material changes state
- 19. the names of something that is bad at conducting heat
- 21. when a gas turns into a liquid this is called…………
- 22. what particles in a solid do
- 26. heat is the total………………of the particles in a substance
- 28. what is produced when a substance melts