横向
1
Substance with pH above 7
4
Nerve cell in the brain
5
Measure of matter in an object
6
Icy body with a tail near the sun
7
Glass that splits light into spectrum
9
Gas form of a liquid
纵向
2
Molten rock beneath Earth surface
3
Reddish electrical conductor
6
Element found in all living things
8
Mass per unit volume
10
Form of thermal energy