横向
1
Magnetic metallic element
3
Molten rock beneath Earth surface
4
Positive particle in nucleus
7
Path of a planet around the sun
8
Gas essential for breathing
10
Naturally occurring inorganic solid
11
Basic unit of life
12
Tectonic landmass section
纵向
2
Nerve cell in the brain
3
Natural satellite of Earth
5
Icy body with a tail near the sun
6
Chemical element in table salt
9
Blocking of light by a celestial body