Across
1
Preserved remains of ancient life
2
Infectious microscopic agent
6
Fourth state of matter
8
Biological catalyst
9
Solid with repeating atomic pattern
Down
2
Gas form of a liquid
3
Ball of burning gas in space
4
Tectonic landmass section
5
Chemical element in table salt
7
Second lightest element
10
Blocking of light by a celestial body