Across
1
Magnetic metallic element
3
Blocking of light by a celestial body
4
Hottest planet in solar system
5
Natural satellite of Earth
6
Curved glass that refracts light
7
The Red Planet
8
Preserved remains of ancient life
9
Naturally occurring inorganic solid
Down
2
Element found in all living things
4
Infectious microscopic agent
5
Tissue that contracts for movement
10
Force that attracts objects together
11
Tectonic landmass section