Across
1
Infectious microscopic agent
3
Push or pull on an object
5
Substance with pH below 7
6
Curved glass that refracts light
7
Tectonic landmass section
Down
1
Unit of electric potential
2
Reddish electrical conductor
4
Tissue that contracts for movement
5
Smallest unit of an element
8
Nerve cell in the brain
9
Hottest planet in solar system