Across
1
Compound containing oxygen
4
The Red Planet
6
Unit of energy
7
Amplified beam of light
8
Disturbance that transfers energy
9
Positive particle in nucleus
Down
2
Infectious microscopic agent
3
Nerve cell in the brain
4
Molten rock beneath Earth surface
5
Hottest planet in solar system
10
Curved glass that refracts light
