Across
1
Amplified beam of light
5
Nerve cell in the brain
7
Blocking of light by a celestial body
Down
2
Unit of energy
3
Fourth state of matter
4
Naturally occurring inorganic solid
6
Mass per unit volume
8
Solid with repeating atomic pattern
Amplified beam of light
Nerve cell in the brain
Blocking of light by a celestial body
Unit of energy
Fourth state of matter
Naturally occurring inorganic solid
Mass per unit volume
Solid with repeating atomic pattern