Across
1
Substance with pH below 7
3
Positive particle in nucleus
4
Form of thermal energy
7
Nerve cell in the brain
8
Fourth state of matter
Down
2
Blocking of light by a celestial body
5
Gas form of a liquid
6
Group of similar cells
Substance with pH below 7
Positive particle in nucleus
Form of thermal energy
Nerve cell in the brain
Fourth state of matter
Blocking of light by a celestial body
Gas form of a liquid
Group of similar cells