横向
1
Force that attracts objects together
3
Basic unit of life
7
Chemical element in table salt
8
Unit of energy
9
Fourth state of matter
纵向
2
Biological catalyst
4
The Red Planet
5
Absolute temperature scale unit
6
Preserved remains of ancient life
10
Push or pull on an object
11
Amplified beam of light
12
Disturbance that transfers energy