Across
1
Reddish electrical conductor
4
Absolute temperature scale unit
5
Solid with repeating atomic pattern
6
The Red Planet
11
Curved glass that refracts light
Down
1
Basic unit of life
2
Gas form of a liquid
3
Biological catalyst
7
Our home planet
8
Chemical element in table salt
9
Positive particle in nucleus
10
Amplified beam of light