Across
1
Positive particle in nucleus
4
Particle of light
7
The Red Planet
8
Center of an atom or cell
Down
2
Nerve cell in the brain
3
Natural satellite of Earth
5
Unit of power
6
Gas form of a liquid
Positive particle in nucleus
Particle of light
The Red Planet
Center of an atom or cell
Nerve cell in the brain
Natural satellite of Earth
Unit of power
Gas form of a liquid