横向
1
Molten rock beneath Earth surface
3
Unit of force
4
Path of a planet around the sun
7
Positive particle in nucleus
8
Basic unit of life
11
Chemical element in table salt
纵向
2
Second lightest element
5
Curved glass that refracts light
6
Reddish electrical conductor
9
Disturbance that transfers energy
10
Unit of heredity