横向
1
Element found in all living things
4
Solid with repeating atomic pattern
8
Glass that splits light into spectrum
10
Fourth state of matter
12
Center of an atom or cell
纵向
2
Smallest unit of an element
3
Ball of burning gas in space
5
Compound containing oxygen
6
Unit of electric potential
7
Basic unit of life
8
Positive particle in nucleus
9
Gas form of a liquid
11
Molten rock beneath Earth surface
13
Disturbance that transfers energy