Across
1
Curved glass that refracts light
3
Tectonic landmass section
6
Natural satellite of Earth
7
Naturally occurring inorganic solid
8
Glass that splits light into spectrum
9
Preserved remains of ancient life
Down
2
Group of similar cells
4
Biological catalyst
5
Chemical element in table salt
10
Amplified beam of light
11
Ball of burning gas in space
