横向
1
Tissue that contracts for movement
5
Unit of electric potential
6
Disturbance that transfers energy
7
Force that attracts objects together
10
Positive particle in nucleus
纵向
2
Fourth state of matter
3
Mass per unit volume
4
Push or pull on an object
8
Ball of burning gas in space
9
Unit of power
10
Particle of light
11
Curved glass that refracts light
