Across
1
Biological catalyst
4
Measure of matter in an object
5
Glass that splits light into spectrum
8
Preserved remains of ancient life
9
Fourth state of matter
Down
2
Solid with repeating atomic pattern
3
Substance with pH above 7
5
Tectonic landmass section
6
Natural satellite of Earth
7
Compound containing oxygen
10
Ball of burning gas in space
11
Center of an atom or cell