Across
1
Hottest planet in solar system
3
Gas form of a liquid
5
Reddish electrical conductor
8
Disturbance that transfers energy
9
Unit of force
Down
2
Icy body with a tail near the sun
4
Absolute temperature scale unit
6
Tectonic landmass section
7
Curved glass that refracts light
8
Unit of power
10
Unit of energy