Across
1
Preserved remains of ancient life
5
Nerve cell in the brain
6
Compound containing oxygen
Down
2
Particle of light
3
The Red Planet
4
Magnetic metallic element
7
Disturbance that transfers energy
8
Hottest planet in solar system
Preserved remains of ancient life
Nerve cell in the brain
Compound containing oxygen
Particle of light
The Red Planet
Magnetic metallic element
Disturbance that transfers energy
Hottest planet in solar system