横向
1
Unit of heredity
4
Chemical element in table salt
5
Preserved remains of ancient life
7
Naturally occurring inorganic solid
9
Curved glass that refracts light
10
Form of thermal energy
14
Substance with pH above 7
纵向
2
Group of similar cells
3
Absolute temperature scale unit
6
Fourth state of matter
8
Gas form of a liquid
11
Solid with repeating atomic pattern
12
Smallest unit of an element
13
Substance with pH below 7