Across
1
Hottest planet in solar system
3
Preserved remains of ancient life
5
Unit of power
6
Compound containing oxygen
Down
2
Fourth state of matter
4
Curved glass that refracts light
7
Force that attracts objects together
8
Particle of light
Hottest planet in solar system
Preserved remains of ancient life
Unit of power
Compound containing oxygen
Fourth state of matter
Curved glass that refracts light
Force that attracts objects together
Particle of light