Across
1
Amplified beam of light
3
Unit of force
7
Gas form of a liquid
Down
2
Magnetic metallic element
4
Mass per unit volume
5
Unit of energy
6
Ball of burning gas in space
8
Fourth state of matter
9
Curved glass that refracts light
Amplified beam of light
Unit of force
Gas form of a liquid
Magnetic metallic element
Mass per unit volume
Unit of energy
Ball of burning gas in space
Fourth state of matter
Curved glass that refracts light