Across
1
Solid with repeating atomic pattern
5
Tissue that contracts for movement
6
Glass that splits light into spectrum
7
Hottest planet in solar system
9
Tectonic landmass section
10
Biological catalyst
11
Disturbance that transfers energy
Down
2
Nerve cell in the brain
3
Measure of matter in an object
4
Center of an atom or cell
7
Infectious microscopic agent
8
Force that attracts objects together