Across
1
Unit of power
3
Gas form of a liquid
5
Amplified beam of light
7
Center of an atom or cell
Down
2
Molten rock beneath Earth surface
4
Mass per unit volume
6
Compound containing oxygen
8
Unit of energy
Unit of power
Gas form of a liquid
Amplified beam of light
Center of an atom or cell
Molten rock beneath Earth surface
Mass per unit volume
Compound containing oxygen
Unit of energy