Across
1
Hottest planet in solar system
3
Curved glass that refracts light
4
Element found in all living things
7
Preserved remains of ancient life
10
Tectonic landmass section
11
Nerve cell in the brain
Down
1
Gas form of a liquid
2
Positive particle in nucleus
3
Amplified beam of light
5
Chemical element in table salt
6
Particle of light
8
Tissue that contracts for movement
9
Second lightest element