Across
1
Unit of electric potential
3
Form of thermal energy
4
Measure of matter in an object
6
Tectonic landmass section
7
Compound containing oxygen
9
Biological catalyst
Down
2
Disturbance that transfers energy
3
Second lightest element
5
Naturally occurring inorganic solid
8
Gas form of a liquid
10
Icy body with a tail near the sun
11
Amplified beam of light
12
Solid with repeating atomic pattern