横向
1
Group of similar cells
3
Element found in all living things
5
Unit of heredity
6
Solid with repeating atomic pattern
9
Ball of burning gas in space
11
Unit of power
纵向
2
Substance with pH above 7
4
Biological catalyst
7
Gas form of a liquid
8
Curved glass that refracts light
10
Molten rock beneath Earth surface