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