横向
1
Positive particle in nucleus
4
Element found in all living things
6
Solid with repeating atomic pattern
7
Our home planet
8
Absolute temperature scale unit
9
Infectious microscopic agent
12
Push or pull on an object
纵向
1
Tectonic landmass section
2
Preserved remains of ancient life
3
Naturally occurring inorganic solid
5
Center of an atom or cell
10
Substance with pH below 7
11
Curved glass that refracts light
13
Reddish electrical conductor