Across
1
Chemical element in table salt
5
Reddish electrical conductor
6
Tissue that contracts for movement
7
Fourth state of matter
9
Hottest planet in solar system
10
Substance with pH above 7
Down
2
Gas form of a liquid
3
The Red Planet
4
Blocking of light by a celestial body
7
Glass that splits light into spectrum
8
Tectonic landmass section
9
Infectious microscopic agent