Across
1
Solid with repeating atomic pattern
3
Fourth state of matter
4
Smallest unit of an element
6
Absolute temperature scale unit
8
Compound containing oxygen
Down
1
Basic unit of life
2
Unit of force
3
Tectonic landmass section
5
Path of a planet around the sun
7
The Red Planet
9
Molten rock beneath Earth surface
10
Push or pull on an object