Across
1
Basic unit of life
4
Blocking of light by a celestial body
7
Substance with pH below 7
Down
2
Form of thermal energy
3
Curved glass that refracts light
5
Gas form of a liquid
6
Fourth state of matter
8
Amplified beam of light
Basic unit of life
Blocking of light by a celestial body
Substance with pH below 7
Form of thermal energy
Curved glass that refracts light
Gas form of a liquid
Fourth state of matter
Amplified beam of light