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