Across
- 2. Heat energy from the sun is transferred to Earth by this method.
- 7. Wooden handle of a frying is a poor __________ of heat.
- 8. Emergency blanket has a shiny surface which is a poor __________ of radiation.
- 9. Transfer of energy without the physical movement of the medium
Down
- 1. Radiation can take place in a _______ but conduction cannot.
- 3. White colour is a poor _________ of radiation from the sun.
- 4. Convection ________ are formed when hotter and less dense water rises while cooler and denser water sinks continuously.
- 5. Fluids transfer heat energy mainly by this method.
- 6. These are poorer conductors than solids.