Across
1
Fourth state of matter
4
Unit of energy
5
Unit of force
8
Biological catalyst
9
Solid with repeating atomic pattern
11
Gas form of a liquid
Down
2
Naturally occurring inorganic solid
3
Substance with pH above 7
6
Preserved remains of ancient life
7
Unit of electric potential
9
Element found in all living things
10
Natural satellite of Earth
12
Ball of burning gas in space
13
Amplified beam of light