横向
1
Substance with pH below 7
4
Tectonic landmass section
5
Measure of matter in an object
7
Chemical element in table salt
8
Basic unit of life
纵向
2
Form of thermal energy
3
Path of a planet around the sun
4
Glass that splits light into spectrum
5
Naturally occurring inorganic solid
6
Smallest unit of an element
9
Absolute temperature scale unit
10
Icy body with a tail near the sun