Across
1
Glass that splits light into spectrum
3
Gas essential for breathing
6
Chemical element in table salt
7
Tectonic landmass section
8
Nerve cell in the brain
11
Solid with repeating atomic pattern
Down
2
Second lightest element
4
Precious yellow metallic element
5
Mass per unit volume
9
Push or pull on an object
10
Naturally occurring inorganic solid