Across
1
Curved glass that refracts light
2
Solid with repeating atomic pattern
5
Force that attracts objects together
7
Form of thermal energy
8
Tectonic landmass section
10
Substance with pH below 7
Down
2
Element found in all living things
3
Unit of electric potential
4
Reddish electrical conductor
6
Measure of matter in an object
9
Amplified beam of light