Across
1
Blocking of light by a celestial body
5
Push or pull on an object
6
Gas form of a liquid
8
Nerve cell in the brain
10
Compound containing oxygen
Down
2
Reddish electrical conductor
3
Hottest planet in solar system
4
Tectonic landmass section
6
Unit of electric potential
7
Our home planet
9
Precious yellow metallic element
11
Curved glass that refracts light
