横向
1
The Red Planet
2
Tectonic landmass section
3
Gas form of a liquid
4
Path of a planet around the sun
8
Molten rock beneath Earth surface
9
Mass per unit volume
纵向
2
Glass that splits light into spectrum
4
Compound containing oxygen
5
Ball of burning gas in space
6
Fourth state of matter
7
Element found in all living things