Across
1
Solid with repeating atomic pattern
3
Amplified beam of light
5
Unit of energy
7
Compound containing oxygen
9
Absolute temperature scale unit
10
Center of an atom or cell
Down
2
Disturbance that transfers energy
3
Curved glass that refracts light
4
Nerve cell in the brain
6
Push or pull on an object
8
Tissue that contracts for movement
11
Second lightest element