Across
1
Path of a planet around the sun
2
Fourth state of matter
4
Push or pull on an object
5
Particle of light
7
Infectious microscopic agent
11
Glass that splits light into spectrum
Down
2
Tectonic landmass section
3
Element found in all living things
5
Positive particle in nucleus
6
Group of similar cells
8
Reddish electrical conductor
9
Solid with repeating atomic pattern
10
Natural satellite of Earth