横向
1
Unit of force
2
Reddish electrical conductor
5
Disturbance that transfers energy
8
Preserved remains of ancient life
10
Gas form of a liquid
纵向
2
Element found in all living things
3
Smallest unit of an element
4
Substance with pH above 7
6
Our home planet
7
Natural satellite of Earth
9
Solid with repeating atomic pattern
11
Molten rock beneath Earth surface