横向
1
Element found in all living things
5
Disturbance that transfers energy
6
Fourth state of matter
7
Biological catalyst
9
Group of similar cells
10
Basic unit of life
11
Unit of electric potential
12
Reddish electrical conductor
纵向
2
Center of an atom or cell
3
Compound containing oxygen
4
The Red Planet
6
Tectonic landmass section
8
Particle of light