Across
1
Glass that splits light into spectrum
2
Solid with repeating atomic pattern
4
Disturbance that transfers energy
5
Group of similar cells
8
Curved glass that refracts light
Down
2
Icy body with a tail near the sun
3
Infectious microscopic agent
6
Tectonic landmass section
7
Ball of burning gas in space
9
Compound containing oxygen