Across
1
Molten rock beneath Earth surface
3
Positive particle in nucleus
4
Path of a planet around the sun
5
Push or pull on an object
7
Absolute temperature scale unit
Down
2
Smallest unit of an element
3
Tectonic landmass section
5
Preserved remains of ancient life
6
Unit of force
8
Disturbance that transfers energy
9
Naturally occurring inorganic solid
10
Compound containing oxygen