横向
1
Mass per unit volume
5
Unit of energy
6
Unit of electric potential
8
Tectonic landmass section
10
Fourth state of matter
11
Smallest unit of an element
纵向
2
Natural satellite of Earth
3
Our home planet
4
Ball of burning gas in space
6
Hottest planet in solar system
7
Disturbance that transfers energy
9
Substance with pH above 7