Across
1
Infectious microscopic agent
4
Push or pull on an object
5
Reddish electrical conductor
7
Biological catalyst
8
Solid with repeating atomic pattern
Down
2
Tissue that contracts for movement
3
Naturally occurring inorganic solid
6
Center of an atom or cell
9
Glass that splits light into spectrum
10
Molten rock beneath Earth surface
11
Particle of light
12
Unit of heredity
13
Disturbance that transfers energy