横向
1
Solid with repeating atomic pattern
5
Naturally occurring inorganic solid
6
Curved glass that refracts light
7
Unit of force
纵向
2
Force that attracts objects together
3
Path of a planet around the sun
4
Tectonic landmass section
8
Blocking of light by a celestial body
9
Molten rock beneath Earth surface
10
Positive particle in nucleus