横向
1
Gas form of a liquid
4
Hottest planet in solar system
5
Tissue that contracts for movement
6
Positive particle in nucleus
7
Form of thermal energy
8
Substance with pH above 7
9
Force that attracts objects together
纵向
2
Element found in all living things
3
Amplified beam of light
4
Unit of electric potential
6
Fourth state of matter