Across
1
Unit of electric potential
4
Molten rock beneath Earth surface
6
Compound containing oxygen
9
Our home planet
10
Center of an atom or cell
11
Solid with repeating atomic pattern
13
Reddish electrical conductor
Down
2
Element found in all living things
3
Unit of force
5
Gas form of a liquid
7
Hottest planet in solar system
8
Naturally occurring inorganic solid
12
Unit of heredity