横向
1
Hottest planet in solar system
3
Smallest unit of an element
5
Naturally occurring inorganic solid
8
Our home planet
10
Chemical element in table salt
12
Magnetic metallic element
纵向
2
Second lightest element
4
Curved glass that refracts light
6
Gas form of a liquid
7
Path of a planet around the sun
9
Fourth state of matter
11
Tissue that contracts for movement