Across
1
Naturally occurring inorganic solid
2
Reddish electrical conductor
5
Infectious microscopic agent
6
Fourth state of matter
7
Tectonic landmass section
8
Nerve cell in the brain
Down
1
Natural satellite of Earth
2
Element found in all living things
3
Basic unit of life
4
Blocking of light by a celestial body
9
Form of thermal energy
10
Magnetic metallic element
11
Group of similar cells
