Across
1
Form of thermal energy
5
Glass that splits light into spectrum
6
Naturally occurring inorganic solid
8
Our home planet
9
Gas essential for breathing
10
Compound containing oxygen
13
Preserved remains of ancient life
Down
2
Smallest unit of an element
3
Tectonic landmass section
4
Icy body with a tail near the sun
7
Disturbance that transfers energy
11
Chemical element in table salt
12
Absolute temperature scale unit