横向
1
The Red Planet
3
Positive particle in nucleus
4
Infectious microscopic agent
7
Tectonic landmass section
8
Naturally occurring inorganic solid
11
Unit of energy
纵向
2
Solid with repeating atomic pattern
5
Disturbance that transfers energy
6
Element found in all living things
9
Path of a planet around the sun
10
Smallest unit of an element