Thermal Energy and Efficiency (5.3 and 5.4)
Across
- 2. Radiation may be reflected, transmitted, or _________
- 4. A bushfire produces large amounts of _______ heat
- 5. Can an object catch fire before bushfire flames reach it?
- 8. The unit of household energy consumption is the _________-hour
- 9. Best protection from too much radiant heat.
- 12. -273 is _________ zero
- 13. The sun radiates mainly __________ radiation
- 15. An incandescent globe radiates visible light and what other kind of EM radiation?
- 16. The things that carry the energy in the EM spectrum
- 17. A measure of how much energy is transformed into the desired type
- 18. Bushfire radiation can overwhelm your body's cooling _________ system
Down
- 1. Thermal energy can radiate through this
- 2. BAL stands for bushfire ________ level
- 3. Any form of radiation can be produced by heating an object to the right __________
- 6. Clouds can either _________ or absorb the sun's radiation
- 7. What kind of lines does bushfire radiation travel in?
- 10. To see the efficiency of a electrical item, look at its energy _______ sticker
- 11. This has a temperature of about 6000 degrees
- 14. Radiation is energy that travels through another substance without _______ it