横向
1
Measure of matter in an object
4
Push or pull on an object
5
Our home planet
7
Molten rock beneath Earth surface
10
Center of an atom or cell
12
Reddish electrical conductor
纵向
2
Chemical element in table salt
3
Amplified beam of light
6
Substance with pH above 7
8
Naturally occurring inorganic solid
9
Particle of light
11
Tissue that contracts for movement
