横向
1
Naturally occurring inorganic solid
5
Absolute temperature scale unit
6
Positive particle in nucleus
9
Unit of heredity
11
Push or pull on an object
12
Nerve cell in the brain
纵向
2
Magnetic metallic element
3
Reddish electrical conductor
4
Tectonic landmass section
7
Unit of electric potential
8
Element found in all living things
10
Hottest planet in solar system
13
Icy body with a tail near the sun