横向
1
Gas form of a liquid
4
Unit of energy
5
Hottest planet in solar system
9
Fourth state of matter
10
The Red Planet
纵向
1
Infectious microscopic agent
2
Glass that splits light into spectrum
3
Reddish electrical conductor
6
Force that attracts objects together
7
Precious yellow metallic element
8
Molten rock beneath Earth surface
11
Naturally occurring inorganic solid
12
Chemical element in table salt