Across
1
Amplified beam of light
3
Nerve cell in the brain
6
Compound containing oxygen
8
Glass that splits light into spectrum
9
Solid with repeating atomic pattern
Down
2
Unit of heredity
3
Center of an atom or cell
4
Gas form of a liquid
5
Preserved remains of ancient life
7
Push or pull on an object
8
Positive particle in nucleus
10
Group of similar cells
11
Fourth state of matter