Across
1
Reddish electrical conductor
4
Absolute temperature scale unit
7
Basic unit of life
8
Form of thermal energy
9
Positive particle in nucleus
10
Solid with repeating atomic pattern
Down
2
Our home planet
3
Preserved remains of ancient life
5
Curved glass that refracts light
6
Amplified beam of light
11
Tectonic landmass section