Across
1
Solid with repeating atomic pattern
3
Infectious microscopic agent
4
Compound containing oxygen
6
Blocking of light by a celestial body
7
The Red Planet
8
Substance with pH below 7
10
Center of an atom or cell
Down
1
Reddish electrical conductor
2
Form of thermal energy
3
Hottest planet in solar system
5
Amplified beam of light
9
Naturally occurring inorganic solid