Across
1
Center of an atom or cell
6
Push or pull on an object
7
Molten rock beneath Earth surface
8
Substance with pH above 7
9
Disturbance that transfers energy
11
Tectonic landmass section
14
Unit of electric potential
Down
2
Biological catalyst
3
Solid with repeating atomic pattern
4
Group of similar cells
5
Chemical element in table salt
10
Basic unit of life
12
Positive particle in nucleus
13
Unit of energy