Across
1
Basic unit of life
3
Hottest planet in solar system
5
Blocking of light by a celestial body
7
Positive particle in nucleus
Down
2
Biological catalyst
4
Naturally occurring inorganic solid
6
Amplified beam of light
8
Second lightest element
Basic unit of life
Hottest planet in solar system
Blocking of light by a celestial body
Positive particle in nucleus
Biological catalyst
Naturally occurring inorganic solid
Amplified beam of light
Second lightest element