Across
1
Molten rock beneath Earth surface
3
Icy body with a tail near the sun
4
Naturally occurring inorganic solid
Down
1
Natural satellite of Earth
2
Biological catalyst
4
The Red Planet
5
Unit of electric potential
6
Fourth state of matter
Molten rock beneath Earth surface
Icy body with a tail near the sun
Naturally occurring inorganic solid
Natural satellite of Earth
Biological catalyst
The Red Planet
Unit of electric potential
Fourth state of matter