Across
1
Form of thermal energy
2
Fourth state of matter
3
Gas form of a liquid
5
Naturally occurring inorganic solid
8
Solid with repeating atomic pattern
10
Push or pull on an object
12
Unit of electric potential
Down
2
Positive particle in nucleus
4
Unit of power
6
Path of a planet around the sun
7
Substance with pH above 7
9
Blocking of light by a celestial body
11
Tectonic landmass section