Across
1
Fourth state of matter
2
Nerve cell in the brain
3
Hottest planet in solar system
8
Mass per unit volume
Down
2
Center of an atom or cell
4
The Red Planet
5
Form of thermal energy
6
Infectious microscopic agent
7
Natural satellite of Earth
Fourth state of matter
Nerve cell in the brain
Hottest planet in solar system
Mass per unit volume
Center of an atom or cell
The Red Planet
Form of thermal energy
Infectious microscopic agent
Natural satellite of Earth