Across
1
Unit of power
3
Reddish electrical conductor
4
Gas form of a liquid
6
Mass per unit volume
9
Substance with pH above 7
10
Naturally occurring inorganic solid
12
Basic unit of life
Down
2
Fourth state of matter
5
Glass that splits light into spectrum
7
Precious yellow metallic element
8
Disturbance that transfers energy
11
Push or pull on an object
13
Group of similar cells
14
Center of an atom or cell