Across
1
Basic unit of life
3
The Red Planet
4
Tectonic landmass section
7
Unit of power
8
Naturally occurring inorganic solid
9
Absolute temperature scale unit
11
Unit of electric potential
Down
2
Biological catalyst
4
Particle of light
5
Disturbance that transfers energy
6
Solid with repeating atomic pattern
8
Molten rock beneath Earth surface
10
Mass per unit volume