Across
1
Curved glass that refracts light
2
Gas form of a liquid
6
Unit of energy
7
Natural satellite of Earth
Down
2
Infectious microscopic agent
3
Icy body with a tail near the sun
4
Glass that splits light into spectrum
5
Nerve cell in the brain
Curved glass that refracts light
Gas form of a liquid
Unit of energy
Natural satellite of Earth
Infectious microscopic agent
Icy body with a tail near the sun
Glass that splits light into spectrum
Nerve cell in the brain