Across
1
Unit of force
2
Glass that splits light into spectrum
3
Fourth state of matter
4
Amplified beam of light
7
Substance with pH above 7
9
Ball of burning gas in space
Down
2
Positive particle in nucleus
3
Tectonic landmass section
5
Measure of matter in an object
6
Smallest unit of an element
8
Reddish electrical conductor
10
The Red Planet
11
Solid with repeating atomic pattern