横向
1
Push or pull on an object
4
Smallest unit of an element
5
Absolute temperature scale unit
7
Precious yellow metallic element
8
Natural satellite of Earth
9
Element found in all living things
12
Ball of burning gas in space
纵向
2
Unit of force
3
Icy body with a tail near the sun
6
Substance with pH above 7
7
Force that attracts objects together
10
Unit of energy
11
Curved glass that refracts light