Across
1
Biological catalyst
2
Glass that splits light into spectrum
3
Solid with repeating atomic pattern
6
Absolute temperature scale unit
9
Element found in all living things
12
Unit of power
Down
2
Fourth state of matter
4
Hottest planet in solar system
5
Naturally occurring inorganic solid
7
Icy body with a tail near the sun
8
Ball of burning gas in space
10
Reddish electrical conductor
11
Tectonic landmass section