Across
1
Glass that splits light into spectrum
3
Preserved remains of ancient life
5
Curved glass that refracts light
7
Our home planet
8
Tissue that contracts for movement
9
Force that attracts objects together
11
Molten rock beneath Earth surface
Down
2
Compound containing oxygen
4
Measure of matter in an object
5
Amplified beam of light
6
Solid with repeating atomic pattern
9
Precious yellow metallic element
10
Basic unit of life