Across
1
Solid with repeating atomic pattern
4
The Red Planet
5
Compound containing oxygen
8
Disturbance that transfers energy
9
Path of a planet around the sun
Down
2
Our home planet
3
Particle of light
4
Tissue that contracts for movement
6
Unit of electric potential
7
Absolute temperature scale unit
10
Naturally occurring inorganic solid
11
Positive particle in nucleus
