Across
1
Unit of power
4
Glass that splits light into spectrum
5
Reddish electrical conductor
8
Amplified beam of light
Down
2
Molten rock beneath Earth surface
3
Tectonic landmass section
6
Ball of burning gas in space
7
Group of similar cells
Unit of power
Glass that splits light into spectrum
Reddish electrical conductor
Amplified beam of light
Molten rock beneath Earth surface
Tectonic landmass section
Ball of burning gas in space
Group of similar cells