Across
1
Solid with repeating atomic pattern
5
Disturbance that transfers energy
6
Fourth state of matter
7
Measure of matter in an object
10
Nerve cell in the brain
13
Tissue that contracts for movement
Down
2
Infectious microscopic agent
3
Chemical element in table salt
4
Precious yellow metallic element
8
Unit of energy
9
Path of a planet around the sun
11
Gas form of a liquid
12
Unit of force