Across
1
Preserved remains of ancient life
3
Naturally occurring inorganic solid
5
Gas form of a liquid
6
Icy body with a tail near the sun
8
Substance with pH above 7
10
Measure of matter in an object
Down
2
Force that attracts objects together
4
Chemical element in table salt
5
Unit of electric potential
6
Solid with repeating atomic pattern
7
Curved glass that refracts light
9
Infectious microscopic agent