Across
- 4. hot air rising
- 6. a measure of the heat energy in hot objects
- 11. the way that heat energy is transferred from a hotter place to a colder place
- 13. a device that forms an image using infrared radiation
- 15. energy passed along a solid as its particles heat and vibrate
Down
- 1. a constant forwards and backwards motion
- 2. throw back (heat, light) without absorbing it
- 3. a record of the image made by a thermal imaging camera
- 5. the sum of the energies of all the particles
- 6. something that prevents heat moving from one place to another
- 7. a method of heat transfer in fluids
- 8. take in or soak up
- 9. mass/volume
- 10. send out (heat, energy)
- 12. when a substance gets bigger
- 14. a space completely free from everything