Across
1
Solid with repeating atomic pattern
3
Compound containing oxygen
6
Positive particle in nucleus
7
Element found in all living things
8
Basic unit of life
Down
2
Our home planet
4
Disturbance that transfers energy
5
Icy body with a tail near the sun
6
Tectonic landmass section
9
Path of a planet around the sun
10
Measure of matter in an object