Across
1
Naturally occurring inorganic solid
5
Glass that splits light into spectrum
6
Tissue that contracts for movement
7
Push or pull on an object
8
Path of a planet around the sun
10
Gas form of a liquid
Down
2
Icy body with a tail near the sun
3
Unit of electric potential
4
Force that attracts objects together
7
Preserved remains of ancient life
9
Compound containing oxygen
11
Element found in all living things