Across
1
Gas form of a liquid
2
Icy body with a tail near the sun
3
Unit of force
6
Amplified beam of light
7
Mass per unit volume
8
Our home planet
Down
2
Reddish electrical conductor
4
Nerve cell in the brain
5
Particle of light
Gas form of a liquid
Icy body with a tail near the sun
Unit of force
Amplified beam of light
Mass per unit volume
Our home planet
Reddish electrical conductor
Nerve cell in the brain
Particle of light