横向
1
Smallest unit of an element
4
Fourth state of matter
6
Measure of matter in an object
7
Push or pull on an object
10
Disturbance that transfers energy
12
Icy body with a tail near the sun
纵向
2
Solid with repeating atomic pattern
3
Second lightest element
5
Compound containing oxygen
6
The Red Planet
8
Curved glass that refracts light
9
Substance with pH below 7
11
Tissue that contracts for movement