Across
1
Curved glass that refracts light
2
Basic unit of life
3
Fourth state of matter
4
Gas form of a liquid
5
Tectonic landmass section
7
Infectious microscopic agent
9
The Red Planet
Down
2
Solid with repeating atomic pattern
3
Glass that splits light into spectrum
5
Particle of light
6
Preserved remains of ancient life
8
Chemical element in table salt