Across
- 3. How radiation travels
- 5. a material that conducts heat well
- 6. another word for heat
- 10. Solid, Liquid and Gas are all called states of ________________
- 12. Convection happens in a gas and a _____________
- 14. Happens because particles vibrate
- 16. The temperature inside a building, around 20degreescelsius is called _________ temperature
- 17. the unit for temperature is degrees _______________________
- 19. Happens when you heat a gas or liquid
- 20. The sun ________________ heat to the earth
Down
- 1. In conduction, heat travels from a ____________ object to a colder object
- 2. Radiation can travel through ______________
- 4. This transfer of heat energy happens when gas particles escape
- 7. Happens when gas particles gain enough ____________________ to move away from the liquid
- 8. Evaporation can happen below the _____________ point
- 9. Travels as an electromagnetic wave
- 11. the unit for energy
- 13. Conduction works best in _______________
- 15. a measure of how hot or cold something is
- 18. The number of ways heat can travel
