Across
1
Positive particle in nucleus
4
Natural satellite of Earth
5
Our home planet
8
Curved glass that refracts light
9
Hottest planet in solar system
Down
2
The Red Planet
3
Nerve cell in the brain
6
Unit of force
7
Mass per unit volume
Positive particle in nucleus
Natural satellite of Earth
Our home planet
Curved glass that refracts light
Hottest planet in solar system
The Red Planet
Nerve cell in the brain
Unit of force
Mass per unit volume