Across
1
Fourth state of matter
4
Path of a planet around the sun
6
Hottest planet in solar system
8
Tissue that contracts for movement
9
Absolute temperature scale unit
10
Tectonic landmass section
Down
2
Chemical element in table salt
3
Molten rock beneath Earth surface
5
Naturally occurring inorganic solid
7
Blocking of light by a celestial body