Across
1
Gas form of a liquid
4
Icy body with a tail near the sun
6
Infectious microscopic agent
8
Unit of heredity
10
Absolute temperature scale unit
11
Reddish electrical conductor
Down
2
Our home planet
3
Path of a planet around the sun
5
Tissue that contracts for movement
6
Unit of electric potential
7
Amplified beam of light
9
Unit of force