Across
1
Infectious microscopic agent
3
Tectonic landmass section
6
Biological catalyst
7
Absolute temperature scale unit
8
Naturally occurring inorganic solid
11
Glass that splits light into spectrum
Down
2
Disturbance that transfers energy
4
Fourth state of matter
5
Second lightest element
6
Blocking of light by a celestial body
9
Measure of matter in an object
10
Mass per unit volume