Across
1
Amplified beam of light
4
Disturbance that transfers energy
5
Icy body with a tail near the sun
9
Solid with repeating atomic pattern
11
Tissue that contracts for movement
12
Compound containing oxygen
Down
2
Biological catalyst
3
Tectonic landmass section
6
Center of an atom or cell
7
Ball of burning gas in space
8
Magnetic metallic element
10
Reddish electrical conductor
13
Naturally occurring inorganic solid
14
Glass that splits light into spectrum