Across
1
Magnetic metallic element
4
Reddish electrical conductor
6
The Red Planet
7
Biological catalyst
10
Unit of electric potential
11
Molten rock beneath Earth surface
Down
2
Compound containing oxygen
3
Unit of force
5
Glass that splits light into spectrum
8
Basic unit of life
9
Push or pull on an object
12
Tectonic landmass section