Across
1
Particle of light
2
Tissue that contracts for movement
3
Infectious microscopic agent
4
Absolute temperature scale unit
Down
2
Naturally occurring inorganic solid
5
Form of thermal energy
6
Biological catalyst
7
Tectonic landmass section
Particle of light
Tissue that contracts for movement
Infectious microscopic agent
Absolute temperature scale unit
Naturally occurring inorganic solid
Form of thermal energy
Biological catalyst
Tectonic landmass section