Across
1
Mass per unit volume
4
Tectonic landmass section
5
Naturally occurring inorganic solid
6
Unit of force
11
Hottest planet in solar system
Down
2
Solid with repeating atomic pattern
3
Precious yellow metallic element
4
Positive particle in nucleus
5
Molten rock beneath Earth surface
7
Force that attracts objects together
8
Compound containing oxygen
9
Our home planet
10
Disturbance that transfers energy