Across
1
Molten rock beneath Earth surface
4
Second lightest element
6
Blocking of light by a celestial body
8
Substance with pH below 7
Down
2
Unit of power
3
Substance with pH above 7
5
Center of an atom or cell
7
Tectonic landmass section
Molten rock beneath Earth surface
Second lightest element
Blocking of light by a celestial body
Substance with pH below 7
Unit of power
Substance with pH above 7
Center of an atom or cell
Tectonic landmass section