Across
1
Second lightest element
3
Tectonic landmass section
4
Gas form of a liquid
5
Group of similar cells
Down
2
Blocking of light by a celestial body
6
Absolute temperature scale unit
7
Unit of energy
8
Basic unit of life
Second lightest element
Tectonic landmass section
Gas form of a liquid
Group of similar cells
Blocking of light by a celestial body
Absolute temperature scale unit
Unit of energy
Basic unit of life