Across
1
Unit of power
2
Basic unit of life
4
Center of an atom or cell
7
Naturally occurring inorganic solid
9
Tissue that contracts for movement
Down
1
Disturbance that transfers energy
2
Icy body with a tail near the sun
3
Absolute temperature scale unit
5
Substance with pH below 7
6
Solid with repeating atomic pattern
8
Form of thermal energy