Across
1
Measure of matter in an object
4
Tectonic landmass section
5
Unit of electric potential
6
Unit of heredity
7
Basic unit of life
8
Substance with pH below 7
10
Infectious microscopic agent
Down
2
Substance with pH above 7
3
Amplified beam of light
4
Positive particle in nucleus
7
Solid with repeating atomic pattern
9
Tissue that contracts for movement