横向
1
Magnetic metallic element
4
Naturally occurring inorganic solid
5
Push or pull on an object
6
Precious yellow metallic element
7
Unit of force
8
Basic unit of life
9
Form of thermal energy
纵向
2
Path of a planet around the sun
3
Gas essential for breathing
4
Molten rock beneath Earth surface
8
Solid with repeating atomic pattern
10
Unit of heredity
11
Reddish electrical conductor
12
Positive particle in nucleus