横向
1
Our home planet
4
Mass per unit volume
6
Naturally occurring inorganic solid
8
Solid with repeating atomic pattern
9
Disturbance that transfers energy
10
Element found in all living things
11
Precious yellow metallic element
纵向
2
Infectious microscopic agent
3
Compound containing oxygen
5
Biological catalyst
7
Measure of matter in an object
