横向
1
Unit of power
3
Infectious microscopic agent
4
Tissue that contracts for movement
8
Molten rock beneath Earth surface
9
Naturally occurring inorganic solid
10
Force that attracts objects together
12
Hottest planet in solar system
纵向
2
Smallest unit of an element
3
Unit of electric potential
5
Basic unit of life
6
Disturbance that transfers energy
7
Gas form of a liquid
11
Preserved remains of ancient life