Across
1
Absolute temperature scale unit
4
Preserved remains of ancient life
7
Solid with repeating atomic pattern
8
Molten rock beneath Earth surface
10
Biological catalyst
11
Naturally occurring inorganic solid
Down
2
Group of similar cells
3
Disturbance that transfers energy
5
Center of an atom or cell
6
Gas form of a liquid
8
Natural satellite of Earth
9
Precious yellow metallic element