Across
1
Unit of power
3
Amplified beam of light
6
Hottest planet in solar system
7
Gas form of a liquid
Down
2
Molten rock beneath Earth surface
3
Curved glass that refracts light
4
Icy body with a tail near the sun
5
Positive particle in nucleus
Unit of power
Amplified beam of light
Hottest planet in solar system
Gas form of a liquid
Molten rock beneath Earth surface
Curved glass that refracts light
Icy body with a tail near the sun
Positive particle in nucleus