Across
1
Push or pull on an object
4
Preserved remains of ancient life
7
Positive particle in nucleus
8
Disturbance that transfers energy
9
Fourth state of matter
Down
2
Unit of force
3
Unit of energy
5
Unit of electric potential
6
Chemical element in table salt
7
Tectonic landmass section
10
Unit of power
11
Smallest unit of an element