Across
1
Curved glass that refracts light
3
Compound containing oxygen
7
Naturally occurring inorganic solid
Down
2
Tectonic landmass section
4
Unit of energy
5
Fourth state of matter
6
Magnetic metallic element
8
Group of similar cells
Curved glass that refracts light
Compound containing oxygen
Naturally occurring inorganic solid
Tectonic landmass section
Unit of energy
Fourth state of matter
Magnetic metallic element
Group of similar cells