Across
1
Precious yellow metallic element
4
Icy body with a tail near the sun
6
Solid with repeating atomic pattern
7
Disturbance that transfers energy
9
Second lightest element
Down
2
Tissue that contracts for movement
3
Molten rock beneath Earth surface
5
Tectonic landmass section
8
Our home planet
10
Curved glass that refracts light