Across
- 2. word for 'to be seen'
- 4. first colour in the rainbow
- 6. infrared radiation can travel through
- 9. Radiation/electromagnetic radiation with wavelengths longer than visible light but shorter than radio waves
Down
- 1. Spectrum/the range of wavelengths or frequencies over which electromagnetic radiation extends
- 3. closest and biggest star
- 5. movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat
- 6. last colour in the rainbow
- 7. process by which heat or electricity is directly transmitted through the material of a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material
- 8. word for 'give off'